diff --git a/composer.json b/composer.json
index 60f763c..030669b 100644
--- a/composer.json
+++ b/composer.json
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-        "psr-0": { "pjdietz\\WellRESTed": "src/" },
+        "psr-4": {
+            "WellRESTed\\" : "src/",
+            "Psr\\Http\\Message\\": "srcPsr/"
+        },
         "classmap": ["src/HttpExceptions.php"]
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 }
diff --git a/composer.lock b/composer.lock
index 6716c02..d34c80c 100644
--- a/composer.lock
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-            "time": "2015-03-18 22:07:07"
-        }
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+    "hash": "f932f69dafff860d85b46ee774dd8aa2",
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@@ -108,58 +61,6 @@
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@@ -211,21 +112,22 @@
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+                "doctrine/instantiator": "^1.0.2",
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@@ -257,7 +159,7 @@
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@@ -266,20 +168,20 @@
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@@ -328,35 +230,37 @@
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@@ -373,7 +277,7 @@
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@@ -465,16 +369,16 @@
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@@ -556,7 +460,7 @@
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@@ -582,29 +486,29 @@
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@@ -637,53 +541,7 @@
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@@ -751,16 +609,16 @@
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@@ -799,32 +657,32 @@
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@@ -1023,16 +881,16 @@
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@@ -1054,21 +912,21 @@
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@@ -1104,16 +962,12 @@
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             "description": "Symfony Yaml Component",
             "homepage": "http://symfony.com",
-            "time": "2015-03-12 10:28:44"
+            "time": "2015-03-30 15:54:10"
         }
     ],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": {
-        "psr/http-message": 20,
-        "fzaninotto/faker": 20,
-        "pjdietz/shamserver": 20
-    },
+    "stability-flags": [],
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
diff --git a/srcPsr/MessageInterface.php b/srcPsr/MessageInterface.php
new file mode 100644
index 0000000..f7f3560
--- /dev/null
+++ b/srcPsr/MessageInterface.php
@@ -0,0 +1,190 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * HTTP messages consist of requests from a client to a server and responses
+ * from a server to a client. This interface defines the methods common to
+ * each.
+ *
+ * Messages are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ *
+ * @link http://www.ietf.org/rfc/rfc7230.txt
+ * @link http://www.ietf.org/rfc/rfc7231.txt
+ */
+interface MessageInterface
+{
+    /**
+     * Retrieves the HTTP protocol version as a string.
+     *
+     * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
+     *
+     * @return string HTTP protocol version.
+     */
+    public function getProtocolVersion();
+
+    /**
+     * Return an instance with the specified HTTP protocol version.
+     *
+     * The version string MUST contain only the HTTP version number (e.g.,
+     * "1.1", "1.0").
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * new protocol version.
+     *
+     * @param string $version HTTP protocol version
+     * @return self
+     */
+    public function withProtocolVersion($version);
+
+    /**
+     * Retrieves all message header values.
+     *
+     * The keys represent the header name as it will be sent over the wire, and
+     * each value is an array of strings associated with the header.
+     *
+     *     // Represent the headers as a string
+     *     foreach ($message->getHeaders() as $name => $values) {
+     *         echo $name . ": " . implode(", ", $values);
+     *     }
+     *
+     *     // Emit headers iteratively:
+     *     foreach ($message->getHeaders() as $name => $values) {
+     *         foreach ($values as $value) {
+     *             header(sprintf('%s: %s', $name, $value), false);
+     *         }
+     *     }
+     *
+     * While header names are not case-sensitive, getHeaders() will preserve the
+     * exact case in which headers were originally specified.
+     *
+     * @return array Returns an associative array of the message's headers. Each
+     *     key MUST be a header name, and each value MUST be an array of strings
+     *     for that header.
+     */
+    public function getHeaders();
+
+    /**
+     * Checks if a header exists by the given case-insensitive name.
+     *
+     * @param string $name Case-insensitive header field name.
+     * @return bool Returns true if any header names match the given header
+     *     name using a case-insensitive string comparison. Returns false if
+     *     no matching header name is found in the message.
+     */
+    public function hasHeader($name);
+
+    /**
+     * Retrieves a message header value by the given case-insensitive name.
+     *
+     * This method returns an array of all the header values of the given
+     * case-insensitive header name.
+     *
+     * If the header does not appear in the message, this method MUST return an
+     * empty array.
+     *
+     * @param string $name Case-insensitive header field name.
+     * @return string[] An array of string values as provided for the given
+     *    header. If the header does not appear in the message, this method MUST
+     *    return an empty array.
+     */
+    public function getHeader($name);
+
+    /**
+     * Retrieves the line for a single header, with the header values as a
+     * comma-separated string.
+     *
+     * This method returns all of the header values of the given
+     * case-insensitive header name as a string concatenated together using
+     * a comma.
+     *
+     * NOTE: Not all header values may be appropriately represented using
+     * comma concatenation. For such headers, use getHeader() instead
+     * and supply your own delimiter when concatenating.
+     *
+     * If the header does not appear in the message, this method MUST return
+     * a null value.
+     *
+     * @param string $name Case-insensitive header field name.
+     * @return string|null A string of values as provided for the given header
+     *    concatenated together using a comma. If the header does not appear in
+     *    the message, this method MUST return a null value.
+     */
+    public function getHeaderLine($name);
+
+    /**
+     * Return an instance with the provided header, replacing any existing
+     * values of any headers with the same case-insensitive name.
+     *
+     * While header names are case-insensitive, the casing of the header will
+     * be preserved by this function, and returned from getHeaders().
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * new and/or updated header and value.
+     *
+     * @param string $name Case-insensitive header field name.
+     * @param string|string[] $value Header value(s).
+     * @return self
+     * @throws \InvalidArgumentException for invalid header names or values.
+     */
+    public function withHeader($name, $value);
+
+    /**
+     * Return an instance with the specified header appended with the
+     * given value.
+     *
+     * Existing values for the specified header will be maintained. The new
+     * value(s) will be appended to the existing list. If the header did not
+     * exist previously, it will be added.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * new header and/or value.
+     *
+     * @param string $name Case-insensitive header field name to add.
+     * @param string|string[] $value Header value(s).
+     * @return self
+     * @throws \InvalidArgumentException for invalid header names or values.
+     */
+    public function withAddedHeader($name, $value);
+
+    /**
+     * Return an instance without the specified header.
+     *
+     * Header resolution MUST be done without case-sensitivity.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that removes
+     * the named header.
+     *
+     * @param string $name Case-insensitive header field name to remove.
+     * @return self
+     */
+    public function withoutHeader($name);
+
+    /**
+     * Gets the body of the message.
+     *
+     * @return StreamableInterface Returns the body as a stream.
+     */
+    public function getBody();
+
+    /**
+     * Return an instance with the specified message body.
+     *
+     * The body MUST be a StreamableInterface object.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return a new instance that has the
+     * new body stream.
+     *
+     * @param StreamableInterface $body Body.
+     * @return self
+     * @throws \InvalidArgumentException When the body is not valid.
+     */
+    public function withBody(StreamableInterface $body);
+}
diff --git a/srcPsr/RequestInterface.php b/srcPsr/RequestInterface.php
new file mode 100644
index 0000000..2c6a2ea
--- /dev/null
+++ b/srcPsr/RequestInterface.php
@@ -0,0 +1,179 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Representation of an outgoing, client-side request.
+ *
+ * Per the HTTP specification, this interface includes properties for
+ * each of the following:
+ *
+ * - Protocol version
+ * - HTTP method
+ * - URI
+ * - Headers
+ * - Message body
+ *
+ * Requests are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ */
+interface RequestInterface extends MessageInterface
+{
+    /**
+     * Extends MessageInterface::getHeaders() to provide request-specific
+     * behavior.
+     *
+     * Retrieves all message headers.
+     *
+     * This method acts exactly like MessageInterface::getHeaders(), with one
+     * behavioral change: if the Host header has not been previously set, the
+     * method MUST attempt to pull the host component of the composed URI, if
+     * present.
+     *
+     * @see MessageInterface::getHeaders()
+     * @see UriInterface::getHost()
+     * @return array Returns an associative array of the message's headers. Each
+     *     key MUST be a header name, and each value MUST be an array of strings.
+     */
+    public function getHeaders();
+
+    /**
+     * Extends MessageInterface::getHeader() to provide request-specific
+     * behavior.
+     *
+     * This method acts exactly like MessageInterface::getHeader(), with
+     * one behavioral change: if the Host header is requested, but has
+     * not been previously set, the method MUST attempt to pull the host
+     * component of the composed URI, if present.
+     *
+     * @see MessageInterface::getHeader()
+     * @see UriInterface::getHost()
+     * @param string $name Case-insensitive header field name.
+     * @return string[] An array of string values as provided for the given
+     *    header. If the header does not appear in the message, this method MUST
+     *    return an empty array.
+     */
+    public function getHeader($name);
+
+    /**
+     * Extends MessageInterface::getHeaderLines() to provide request-specific
+     * behavior.
+     *
+     * This method returns all of the header values of the given
+     * case-insensitive header name as a string concatenated together using
+     * a comma.
+     *
+     * This method acts exactly like MessageInterface::getHeaderLines(), with
+     * one behavioral change: if the Host header is requested, but has
+     * not been previously set, the method MUST attempt to pull the host
+     * component of the composed URI, if present.
+     *
+     * @see MessageInterface::getHeaderLine()
+     * @see UriInterface::getHost()
+     * @param string $name Case-insensitive header field name.
+     * @return string|null A string of values as provided for the given header
+     *    concatenated together using a comma. If the header does not appear in
+     *    the message, this method MUST return a null value.
+     */
+    public function getHeaderLine($name);
+
+    /**
+     * Retrieves the message's request target.
+     *
+     * Retrieves the message's request-target either as it will appear (for
+     * clients), as it appeared at request (for servers), or as it was
+     * specified for the instance (see withRequestTarget()).
+     *
+     * In most cases, this will be the origin-form of the composed URI,
+     * unless a value was provided to the concrete implementation (see
+     * withRequestTarget() below).
+     *
+     * If no URI is available, and no request-target has been specifically
+     * provided, this method MUST return the string "/".
+     *
+     * @return string
+     */
+    public function getRequestTarget();
+
+    /**
+     * Return an instance with the specific request-target.
+     *
+     * If the request needs a non-origin-form request-target — e.g., for
+     * specifying an absolute-form, authority-form, or asterisk-form —
+     * this method may be used to create an instance with the specified
+     * request-target, verbatim.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * changed request target.
+     *
+     * @link http://tools.ietf.org/html/rfc7230#section-2.7 (for the various
+     *     request-target forms allowed in request messages)
+     * @param mixed $requestTarget
+     * @return self
+     */
+    public function withRequestTarget($requestTarget);
+
+    /**
+     * Retrieves the HTTP method of the request.
+     *
+     * @return string Returns the request method.
+     */
+    public function getMethod();
+
+    /**
+     * Return an instance with the provided HTTP method.
+     *
+     * While HTTP method names are typically all uppercase characters, HTTP
+     * method names are case-sensitive and thus implementations SHOULD NOT
+     * modify the given string.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * changed request method.
+     *
+     * @param string $method Case-insensitive method.
+     * @return self
+     * @throws \InvalidArgumentException for invalid HTTP methods.
+     */
+    public function withMethod($method);
+
+    /**
+     * Retrieves the URI instance.
+     *
+     * This method MUST return a UriInterface instance.
+     *
+     * @link http://tools.ietf.org/html/rfc3986#section-4.3
+     * @return UriInterface Returns a UriInterface instance
+     *     representing the URI of the request, if any.
+     */
+    public function getUri();
+
+    /**
+     * Returns an instance with the provided URI.
+     *
+     * This method will update the Host header of the returned request by
+     * default if the URI contains a host component. If the URI does not
+     * contain a host component, any pre-existing Host header will be carried
+     * over to the returned request.
+     *
+     * You can opt-in to preserving the original state of the Host header by
+     * setting `$preserveHost` to `true`. When `$preserveHost` is set to
+     * `true`, the returned request will not update the Host header of the
+     * returned message -- even if the message contains no Host header. This
+     * means that a call to `getHeader('Host')` on the original request MUST
+     * equal the return value of a call to `getHeader('Host')` on the returned
+     * request.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * new UriInterface instance.
+     *
+     * @link http://tools.ietf.org/html/rfc3986#section-4.3
+     * @param UriInterface $uri New request URI to use.
+     * @param bool $preserveHost Preserve the original state of the Host header.
+     * @return self
+     */
+    public function withUri(UriInterface $uri, $preserveHost = false);
+}
diff --git a/srcPsr/ResponseInterface.php b/srcPsr/ResponseInterface.php
new file mode 100644
index 0000000..c2fc025
--- /dev/null
+++ b/srcPsr/ResponseInterface.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Representation of an outgoing, server-side response.
+ *
+ * Per the HTTP specification, this interface includes properties for
+ * each of the following:
+ *
+ * - Protocol version
+ * - Status code and reason phrase
+ * - Headers
+ * - Message body
+ *
+ * Responses are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ */
+interface ResponseInterface extends MessageInterface
+{
+    /**
+     * Gets the response status code.
+     *
+     * The status code is a 3-digit integer result code of the server's attempt
+     * to understand and satisfy the request.
+     *
+     * @return int Status code.
+     */
+    public function getStatusCode();
+
+    /**
+     * Return an instance with the specified status code, and optionally
+     * reason phrase, for the response.
+     *
+     * If no reason phrase is specified, implementations MAY choose to default
+     * to the RFC 7231 or IANA recommended reason phrase for the response's
+     * status code.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * updated status and reason phrase.
+     *
+     * @link http://tools.ietf.org/html/rfc7231#section-6
+     * @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+     * @param int $code The 3-digit integer result code to set.
+     * @param null|string $reasonPhrase The reason phrase to use with the
+     *     provided status code; if none is provided, implementations MAY
+     *     use the defaults as suggested in the HTTP specification.
+     * @return self
+     * @throws \InvalidArgumentException For invalid status code arguments.
+     */
+    public function withStatus($code, $reasonPhrase = null);
+
+    /**
+     * Gets the response reason phrase, a short textual description of the
+     * status code.
+     *
+     * Because a reason phrase is not a required element in a response
+     * status line, the reason phrase value MAY be null. Implementations MAY
+     * choose to return the default RFC 7231 recommended reason phrase (or those
+     * listed in the IANA HTTP Status Code Registry) for the response's
+     * status code.
+     *
+     * @link http://tools.ietf.org/html/rfc7231#section-6
+     * @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
+     * @return string|null Reason phrase, or null if unknown.
+     */
+    public function getReasonPhrase();
+}
diff --git a/srcPsr/ServerRequestInterface.php b/srcPsr/ServerRequestInterface.php
new file mode 100644
index 0000000..5ee0c2c
--- /dev/null
+++ b/srcPsr/ServerRequestInterface.php
@@ -0,0 +1,244 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Representation of an incoming, server-side HTTP request.
+ *
+ * Per the HTTP specification, this interface includes properties for
+ * each of the following:
+ *
+ * - Protocol version
+ * - HTTP method
+ * - URI
+ * - Headers
+ * - Message body
+ *
+ * Additionally, it encapsulates all data as it has arrived to the
+ * application from the CGI and/or PHP environment, including:
+ *
+ * - The values represented in $_SERVER.
+ * - Any cookies provided (generally via $_COOKIE)
+ * - Query string arguments (generally via $_GET, or as parsed via parse_str())
+ * - Upload files, if any (as represented by $_FILES)
+ * - Deserialized body parameters (generally from $_POST)
+ *
+ * $_SERVER and $_FILES values MUST be treated as immutable, as they represent
+ * application state at the time of request; as such, no methods are provided
+ * to allow modification of those values. The other values provide such methods,
+ * as they can be restored from $_SERVER, $_FILES, or the request body, and may
+ * need treatment during the application (e.g., body parameters may be
+ * deserialized based on content type).
+ *
+ * Additionally, this interface recognizes the utility of introspecting a
+ * request to derive and match additional parameters (e.g., via URI path
+ * matching, decrypting cookie values, deserializing non-form-encoded body
+ * content, matching authorization headers to users, etc). These parameters
+ * are stored in an "attributes" property.
+ *
+ * Requests are considered immutable; all methods that might change state MUST
+ * be implemented such that they retain the internal state of the current
+ * message and return an instance that contains the changed state.
+ */
+interface ServerRequestInterface extends RequestInterface
+{
+    /**
+     * Retrieve server parameters.
+     *
+     * Retrieves data related to the incoming request environment,
+     * typically derived from PHP's $_SERVER superglobal. The data IS NOT
+     * REQUIRED to originate from $_SERVER.
+     *
+     * @return array
+     */
+    public function getServerParams();
+
+    /**
+     * Retrieve cookies.
+     *
+     * Retrieves cookies sent by the client to the server.
+     *
+     * The data MUST be compatible with the structure of the $_COOKIE
+     * superglobal.
+     *
+     * @return array
+     */
+    public function getCookieParams();
+
+    /**
+     * Return an instance with the specified cookies.
+     *
+     * The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST
+     * be compatible with the structure of $_COOKIE. Typically, this data will
+     * be injected at instantiation.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * updated cookie values.
+     *
+     * @param array $cookies Array of key/value pairs representing cookies.
+     * @return self
+     */
+    public function withCookieParams(array $cookies);
+
+    /**
+     * Retrieve query string arguments.
+     *
+     * Retrieves the deserialized query string arguments, if any.
+     *
+     * Note: the query params might not be in sync with the URI or server
+     * params. If you need to ensure you are only getting the original
+     * values, you may need to parse the query string from `getUri()->getQuery()`
+     * or from the `QUERY_STRING` server param.
+     *
+     * @return array
+     */
+    public function getQueryParams();
+
+    /**
+     * Return an instance with the specified query string arguments.
+     *
+     * These values SHOULD remain immutable over the course of the incoming
+     * request. They MAY be injected during instantiation, such as from PHP's
+     * $_GET superglobal, or MAY be derived from some other value such as the
+     * URI. In cases where the arguments are parsed from the URI, the data
+     * MUST be compatible with what PHP's parse_str() would return for
+     * purposes of how duplicate query parameters are handled, and how nested
+     * sets are handled.
+     *
+     * Setting query string arguments MUST NOT change the URI stored by the
+     * request, nor the values in the server params.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * updated query string arguments.
+     *
+     * @param array $query Array of query string arguments, typically from
+     *     $_GET.
+     * @return self
+     */
+    public function withQueryParams(array $query);
+
+    /**
+     * Retrieve the upload file metadata.
+     *
+     * This method MUST return file upload metadata in the same structure
+     * as PHP's $_FILES superglobal.
+     *
+     * These values MUST remain immutable over the course of the incoming
+     * request. They SHOULD be injected during instantiation, such as from PHP's
+     * $_FILES superglobal, but MAY be derived from other sources.
+     *
+     * @return array Upload file(s) metadata, if any.
+     */
+    public function getFileParams();
+
+    /**
+     * Retrieve any parameters provided in the request body.
+     *
+     * If the request Content-Type is either application/x-www-form-urlencoded
+     * or multipart/form-data, and the request method is POST, this method MUST
+     * return the contents of $_POST.
+     *
+     * Otherwise, this method may return any results of deserializing
+     * the request body content; as parsing returns structured content, the
+     * potential types MUST be arrays or objects only. A null value indicates
+     * the absence of body content.
+     *
+     * @return null|array|object The deserialized body parameters, if any.
+     *     These will typically be an array or object.
+     */
+    public function getParsedBody();
+
+    /**
+     * Return an instance with the specified body parameters.
+     *
+     * These MAY be injected during instantiation.
+     *
+     * If the request Content-Type is either application/x-www-form-urlencoded
+     * or multipart/form-data, and the request method is POST, use this method
+     * ONLY to inject the contents of $_POST.
+     *
+     * The data IS NOT REQUIRED to come from $_POST, but MUST be the results of
+     * deserializing the request body content. Deserialization/parsing returns
+     * structured data, and, as such, this method ONLY accepts arrays or objects,
+     * or a null value if nothing was available to parse.
+     *
+     * As an example, if content negotiation determines that the request data
+     * is a JSON payload, this method could be used to create a request
+     * instance with the deserialized parameters.
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * updated body parameters.
+     *
+     * @param null|array|object $data The deserialized body data. This will
+     *     typically be in an array or object.
+     * @return self
+     */
+    public function withParsedBody($data);
+
+    /**
+     * Retrieve attributes derived from the request.
+     *
+     * The request "attributes" may be used to allow injection of any
+     * parameters derived from the request: e.g., the results of path
+     * match operations; the results of decrypting cookies; the results of
+     * deserializing non-form-encoded message bodies; etc. Attributes
+     * will be application and request specific, and CAN be mutable.
+     *
+     * @return array Attributes derived from the request.
+     */
+    public function getAttributes();
+
+    /**
+     * Retrieve a single derived request attribute.
+     *
+     * Retrieves a single derived request attribute as described in
+     * getAttributes(). If the attribute has not been previously set, returns
+     * the default value as provided.
+     *
+     * This method obviates the need for a hasAttribute() method, as it allows
+     * specifying a default value to return if the attribute is not found.
+     *
+     * @see getAttributes()
+     * @param string $name The attribute name.
+     * @param mixed $default Default value to return if the attribute does not exist.
+     * @return mixed
+     */
+    public function getAttribute($name, $default = null);
+
+    /**
+     * Return an instance with the specified derived request attribute.
+     *
+     * This method allows setting a single derived request attribute as
+     * described in getAttributes().
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that has the
+     * updated attribute.
+     *
+     * @see getAttributes()
+     * @param string $name The attribute name.
+     * @param mixed $value The value of the attribute.
+     * @return self
+     */
+    public function withAttribute($name, $value);
+
+    /**
+     * Return an instance that removes the specified derived request
+     * attribute.
+     *
+     * This method allows removing a single derived request attribute as
+     * described in getAttributes().
+     *
+     * This method MUST be implemented in such a way as to retain the
+     * immutability of the message, and MUST return an instance that removes
+     * the attribute.
+     *
+     * @see getAttributes()
+     * @param string $name The attribute name.
+     * @return self
+     */
+    public function withoutAttribute($name);
+}
diff --git a/srcPsr/StreamableInterface.php b/srcPsr/StreamableInterface.php
new file mode 100644
index 0000000..ec68121
--- /dev/null
+++ b/srcPsr/StreamableInterface.php
@@ -0,0 +1,158 @@
+<?php
+
+namespace Psr\Http\Message;
+
+/**
+ * Describes streamable message body content.
+ *
+ * Typically, an instance will wrap a PHP stream; this interface provides
+ * a wrapper around the most common operations, including serialization of
+ * the entire stream to a string.
+ */
+interface StreamableInterface
+{
+    /**
+     * Reads all data from the stream into a string, from the beginning to end.
+     *
+     * This method MUST attempt to seek to the beginning of the stream before
+     * reading data and read the stream until the end is reached.
+     *
+     * Warning: This could attempt to load a large amount of data into memory.
+     *
+     * This method MUST NOT raise an exception in order to conform with PHP's
+     * string casting operations.
+     *
+     * @see http://php.net/manual/en/language.oop5.magic.php#object.tostring
+     * @return string
+     */
+    public function __toString();
+
+    /**
+     * Closes the stream and any underlying resources.
+     *
+     * @return void
+     */
+    public function close();
+
+    /**
+     * Separates any underlying resources from the stream.
+     *
+     * After the stream has been detached, the stream is in an unusable state.
+     *
+     * @return resource|null Underlying PHP stream, if any
+     */
+    public function detach();
+
+    /**
+     * Get the size of the stream if known
+     *
+     * @return int|null Returns the size in bytes if known, or null if unknown.
+     */
+    public function getSize();
+
+    /**
+     * Returns the current position of the file read/write pointer
+     *
+     * @return int Position of the file pointer
+     * @throws \RuntimeException on error.
+     */
+    public function tell();
+
+    /**
+     * Returns true if the stream is at the end of the stream.
+     *
+     * @return bool
+     */
+    public function eof();
+
+    /**
+     * Returns whether or not the stream is seekable.
+     *
+     * @return bool
+     */
+    public function isSeekable();
+
+    /**
+     * Seek to a position in the stream.
+     *
+     * @link http://www.php.net/manual/en/function.fseek.php
+     * @param int $offset Stream offset
+     * @param int $whence Specifies how the cursor position will be calculated
+     *     based on the seek offset. Valid values are identical to the built-in
+     *     PHP $whence values for `fseek()`.  SEEK_SET: Set position equal to
+     *     offset bytes SEEK_CUR: Set position to current location plus offset
+     *     SEEK_END: Set position to end-of-stream plus offset.
+     * @throws \RuntimeException on failure.
+     */
+    public function seek($offset, $whence = SEEK_SET);
+
+    /**
+     * Seek to the beginning of the stream.
+     *
+     * If the stream is not seekable, this method will raise an exception;
+     * otherwise, it will perform a seek(0).
+     *
+     * @see seek()
+     * @link http://www.php.net/manual/en/function.fseek.php
+     * @throws \RuntimeException on failure.
+     */
+    public function rewind();
+
+    /**
+     * Returns whether or not the stream is writable.
+     *
+     * @return bool
+     */
+    public function isWritable();
+
+    /**
+     * Write data to the stream.
+     *
+     * @param string $string The string that is to be written.
+     * @return int Returns the number of bytes written to the stream.
+     * @throws \RuntimeException on failure.
+     */
+    public function write($string);
+
+    /**
+     * Returns whether or not the stream is readable.
+     *
+     * @return bool
+     */
+    public function isReadable();
+
+    /**
+     * Read data from the stream.
+     *
+     * @param int $length Read up to $length bytes from the object and return
+     *     them. Fewer than $length bytes may be returned if underlying stream
+     *     call returns fewer bytes.
+     * @return string|null Returns the data read from the stream, or null if no bytes
+     *     are available and the stream is in non-blocking mode.
+     * @throws \RuntimeException if an error occurs.
+     */
+    public function read($length);
+
+    /**
+     * Returns the remaining contents in a string
+     *
+     * @return string
+     * @throws \RuntimeException if unable to read or an error occurs while
+     *     reading.
+     */
+    public function getContents();
+
+    /**
+     * Get stream metadata as an associative array or retrieve a specific key.
+     *
+     * The keys returned are identical to the keys returned from PHP's
+     * stream_get_meta_data() function.
+     *
+     * @link http://php.net/manual/en/function.stream-get-meta-data.php
+     * @param string $key Specific metadata to retrieve.
+     * @return array|mixed|null Returns an associative array if no key is
+     *     provided. Returns a specific key value if a key is provided and the
+     *     value is found, or null if the key is not found.
+     */
+    public function getMetadata($key = null);
+}
diff --git a/srcPsr/UriInterface.php b/srcPsr/UriInterface.php
new file mode 100644
index 0000000..dceb911
--- /dev/null
+++ b/srcPsr/UriInterface.php
@@ -0,0 +1,296 @@
+<?php
+namespace Psr\Http\Message;
+
+/**
+ * Value object representing a URI for use in HTTP requests.
+ *
+ * This interface is meant to represent only URIs for use with HTTP requests,
+ * and is not intended as a general-purpose URI implementation.
+ *
+ * Instances of this interface are considered immutable; all methods that
+ * might change state MUST be implemented such that they retain the internal
+ * state of the current instance and return an instance that contains the
+ * changed state.
+ *
+ * Typically the Host header will be also be present in the request message.
+ * For server-side requests, the scheme will typically be discoverable in the
+ * server parameters.
+ *
+ * @link http://tools.ietf.org/html/rfc3986 (the URI specification)
+ */
+interface UriInterface
+{
+    /**
+     * Retrieve the URI scheme.
+     *
+     * Implementations SHOULD restrict values to "http", "https", or an empty
+     * string but MAY accommodate other schemes if required.
+     *
+     * If no scheme is present, this method MUST return an empty string.
+     *
+     * The string returned MUST omit the trailing "://" delimiter if present.
+     *
+     * @return string The scheme of the URI.
+     */
+    public function getScheme();
+
+    /**
+     * Retrieve the authority portion of the URI.
+     *
+     * The authority portion of the URI is:
+     *
+     * <pre>
+     * [user-info@]host[:port]
+     * </pre>
+     *
+     * If the port component is not set or is the standard port for the current
+     * scheme, it SHOULD NOT be included.
+     *
+     * This method MUST return an empty string if no authority information is
+     * present.
+     *
+     * @return string Authority portion of the URI, in "[user-info@]host[:port]"
+     *     format.
+     */
+    public function getAuthority();
+
+    /**
+     * Retrieve the user information portion of the URI, if present.
+     *
+     * If a user is present in the URI, this will return that value;
+     * additionally, if the password is also present, it will be appended to the
+     * user value, with a colon (":") separating the values.
+     *
+     * Implementations MUST NOT return the "@" suffix when returning this value.
+     *
+     * @return string User information portion of the URI, if present, in
+     *     "username[:password]" format.
+     */
+    public function getUserInfo();
+
+    /**
+     * Retrieve the host component of the URI.
+     *
+     * This method MUST return a string; if no host component is present, an
+     * empty string MUST be returned.
+     *
+     * @return string Host component of the URI.
+     */
+    public function getHost();
+
+    /**
+     * Retrieve the port component of the URI.
+     *
+     * If a port is present, and it is non-standard for the current scheme,
+     * this method MUST return it as an integer. If the port is the standard port
+     * used with the current scheme, this method SHOULD return null.
+     *
+     * If no port is present, and no scheme is present, this method MUST return
+     * a null value.
+     *
+     * If no port is present, but a scheme is present, this method MAY return
+     * the standard port for that scheme, but SHOULD return null.
+     *
+     * @return null|int The port for the URI.
+     */
+    public function getPort();
+
+    /**
+     * Retrieve the path component of the URI.
+     *
+     * This method MUST return a string.
+     *
+     * Normally, the empty path "" and absolute path "/" are considered equal as
+     * defined in RFC 7230 Section 2.7.3. But this method MUST NOT automatically
+     * do this normalization because in contexts with a trimmed base path, e.g.
+     * the front controller, this difference becomes significant. It's the task
+     * of the user to handle both "" and "/".
+     *
+     * The value returned MUST be percent-encoded, but MUST NOT double-encode
+     * any characters. To determine what characters to encode, please refer to
+     * RFC 3986, Sections 2 and 3.3.
+     *
+     * As an example, if the value should include a slash ("/") not intended as
+     * delimiter between path segments, that value MUST be encoded (e.g., "%2F")
+     * when passed to the instance.
+     *
+     * @see https://tools.ietf.org/html/rfc3986#section-2
+     * @see https://tools.ietf.org/html/rfc3986#section-3.3
+     * @return string The path component of the URI.
+     */
+    public function getPath();
+
+    /**
+     * Retrieve the query string of the URI.
+     *
+     * This method MUST return a string; if no query string is present, it MUST
+     * return an empty string.
+     *
+     * The string returned MUST omit the leading "?" character.
+     *
+     * The value returned MUST be percent-encoded, but MUST NOT double-encode
+     * any characters. To determine what characters to encode, please refer to
+     * RFC 3986, Sections 2 and 3.4.
+     *
+     * As an example, if a value in a key/value pair of the query string should
+     * include an ampersand ("&") not intended as a delimiter between values,
+     * that value MUST be encoded (e.g., "%26") when passed to the instance.
+     *
+     * @see https://tools.ietf.org/html/rfc3986#section-2
+     * @see https://tools.ietf.org/html/rfc3986#section-3.4
+     * @return string The URI query string.
+     */
+    public function getQuery();
+
+    /**
+     * Retrieve the fragment component of the URI.
+     *
+     * This method MUST return a string; if no fragment is present, it MUST
+     * return an empty string.
+     *
+     * The string returned MUST omit the leading "#" character.
+     *
+     * The value returned MUST be percent-encoded, but MUST NOT double-encode
+     * any characters. To determine what characters to encode, please refer to
+     * RFC 3986, Sections 2 and 3.5.
+     *
+     * @see https://tools.ietf.org/html/rfc3986#section-2
+     * @see https://tools.ietf.org/html/rfc3986#section-3.5
+     * @return string The URI fragment.
+     */
+    public function getFragment();
+
+    /**
+     * Return an instance with the specified scheme.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified scheme. If the scheme
+     * provided includes the "://" delimiter, it MUST be removed.
+     *
+     * Implementations SHOULD restrict values to "http", "https", or an empty
+     * string but MAY accommodate other schemes if required.
+     *
+     * An empty scheme is equivalent to removing the scheme.
+     *
+     * @param string $scheme The scheme to use with the new instance.
+     * @return self A new instance with the specified scheme.
+     * @throws \InvalidArgumentException for invalid or unsupported schemes.
+     */
+    public function withScheme($scheme);
+
+    /**
+     * Return an instance with the specified user information.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified user information.
+     *
+     * Password is optional, but the user information MUST include the
+     * user; an empty string for the user is equivalent to removing user
+     * information.
+     *
+     * @param string $user User name to use for authority.
+     * @param null|string $password Password associated with $user.
+     * @return self A new instance with the specified user information.
+     */
+    public function withUserInfo($user, $password = null);
+
+    /**
+     * Return an instance with the specified host.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified host.
+     *
+     * An empty host value is equivalent to removing the host.
+     *
+     * @param string $host Hostname to use with the new instance.
+     * @return self A new instance with the specified host.
+     * @throws \InvalidArgumentException for invalid hostnames.
+     */
+    public function withHost($host);
+
+    /**
+     * Return an instance with the specified port.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified port.
+     *
+     * Implementations MUST raise an exception for ports outside the
+     * established TCP and UDP port ranges.
+     *
+     * A null value provided for the port is equivalent to removing the port
+     * information.
+     *
+     * @param null|int $port Port to use with the new instance; a null value
+     *     removes the port information.
+     * @return self A new instance with the specified port.
+     * @throws \InvalidArgumentException for invalid ports.
+     */
+    public function withPort($port);
+
+    /**
+     * Return an instance with the specified path.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified path.
+     *
+     * The path MUST be prefixed with "/"; if not, the implementation MAY
+     * provide the prefix itself.
+     *
+     * An empty path value is equivalent to removing the path.
+     *
+     * @param string $path The path to use with the new instance.
+     * @return self A new instance with the specified path.
+     * @throws \InvalidArgumentException for invalid paths.
+     */
+    public function withPath($path);
+
+    /**
+     * Return an instance with the specified query string.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified query string.
+     *
+     * If the query string is prefixed by "?", that character MUST be removed.
+     * Additionally, the query string SHOULD be parseable by parse_str() in
+     * order to be valid.
+     *
+     * An empty query string value is equivalent to removing the query string.
+     *
+     * @param string $query The query string to use with the new instance.
+     * @return self A new instance with the specified query string.
+     * @throws \InvalidArgumentException for invalid query strings.
+     */
+    public function withQuery($query);
+
+    /**
+     * Return an instance with the specified URI fragment.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the specified URI fragment.
+     *
+     * If the fragment is prefixed by "#", that character MUST be removed.
+     *
+     * An empty fragment value is equivalent to removing the fragment.
+     *
+     * @param string $fragment The URI fragment to use with the new instance.
+     * @return self A new instance with the specified URI fragment.
+     */
+    public function withFragment($fragment);
+
+    /**
+     * Return the string representation of the URI.
+     *
+     * Concatenates the various components of the URI, using the appropriate
+     * delimiters:
+     *
+     * - If a scheme is present, "://" MUST append the value.
+     * - If the authority information is present, that value will be
+     *   concatenated.
+     * - If a path is present, it MUST start with a "/" character.
+     * - If a query string is present, it MUST be prefixed by a "?" character.
+     * - If a URI fragment is present, it MUST be prefixed by a "#" character.
+     *
+     * @return string
+     */
+    public function __toString();
+}