added new socket manager, errorhandling and testing is not finished yet

libs/React/Stream/ReadableStreamInterface.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace React\Stream;
+
+use Evenement\EventEmitterInterface;
+
+/**
+ * @event data
+ * @event end
+ * @event error
+ * @event close
+ */
+interface ReadableStreamInterface extends EventEmitterInterface
+{
+    public function isReadable();
+    public function pause();
+    public function resume();
+    public function pipe(WritableStreamInterface $dest, array $options = array());
+    public function close();
+}