Merge branch 'hotfix/3412'

Close zendframework/zendframework#3412
Fixes zendframework/zendframework#3036
Fixes zendframework/zendframework#3267

Author: weierophinney

src/Client/Adapter/Socket.php

@@ -437,7 +437,7 @@ public function read()
                     $line  = fgets($this->socket);
                     $this->_checkSocketReadTimeout();
 
-                    $chunk = '';
+                    $chunk = $line;
 
                     // Figure out the next chunk size
                     $chunksize = trim($line);