MemcachedStorage: the key must not include control characters or whitespace [Closes #13]

https://github.com/memcached/memcached/blob/master/doc/protocol.txt#L41

Author: dg

src/Caching/Storages/MemcachedStorage.php

@@ -83,7 +83,7 @@ public function getConnection()
 	 */
 	public function read($key)
 	{
-		$key = $this->prefix . $key;
+		$key = urlencode($this->prefix . $key);
 		$meta = $this->memcache->get($key);
 		if (!$meta) {
 			return NULL;
@@ -133,7 +133,7 @@ public function write($key, $data, array $dp)
 			throw new Nette\NotSupportedException('Dependent items are not supported by MemcachedStorage.');
 		}
 
-		$key = $this->prefix . $key;
+		$key = urlencode($this->prefix . $key);
 		$meta = array(
 			self::META_DATA => $data,
 		);
@@ -168,7 +168,7 @@ public function write($key, $data, array $dp)
 	 */
 	public function remove($key)
 	{
-		$this->memcache->delete($this->prefix . $key, 0);
+		$this->memcache->delete(urlencode($this->prefix . $key), 0);
 	}