Changin how HttpSocket parses query string parameters. Makes HttpSock…

…et querystring parameter parsing more congruent with how PHP handles query string parameters in that it doesn't require urlencoded characters.

Tests added.
Fixes #156

cake/libs/http_socket.php

@@ -672,7 +672,7 @@ function parseQuery($query) {
 
 			foreach ($items as $item) {
 				if (strpos($item, '=') !== false) {
-					list($key, $value) = explode('=', $item);
+					list($key, $value) = explode('=', $item, 2);
 				} else {
 					$key = $item;
 					$value = null;

cake/tests/cases/libs/http_socket.test.php

@@ -878,6 +878,28 @@ function testParseUri() {
 			'host' => 'www.google.com',
 			'port' => 8080,
 		));
+
+		$uri = $this->Socket->parseUri('http://www.cakephp.org/?param1=value1&param2=value2%3Dvalue3');
+		$this->assertIdentical($uri, array(
+			'scheme' => 'http',
+			'host' => 'www.cakephp.org',
+			'path' => '/',
+			'query' => array(
+				'param1' => 'value1',
+				'param2' => 'value2=value3'
+			)
+		));
+
+		$uri = $this->Socket->parseUri('http://www.cakephp.org/?param1=value1&param2=value2=value3');
+		$this->assertIdentical($uri, array(
+			'scheme' => 'http',
+			'host' => 'www.cakephp.org',
+			'path' => '/',
+			'query' => array(
+				'param1' => 'value1',
+				'param2' => 'value2=value3'
+			)
+		));
 	}
 /**
  * Tests that HttpSocket::buildUri can turn all kinds of uri arrays (and strings) into fully or partially qualified URI's