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

libs/React/Stream/ReadableStream.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace React\Stream;
+
+use Evenement\EventEmitter;
+
+class ReadableStream extends EventEmitter implements ReadableStreamInterface
+{
+    protected $closed = false;
+
+    public function isReadable()
+    {
+        return !$this->closed;
+    }
+
+    public function pause()
+    {
+    }
+
+    public function resume()
+    {
+    }
+
+    public function pipe(WritableStreamInterface $dest, array $options = array())
+    {
+        Util::pipe($this, $dest, $options);
+
+        return $dest;
+    }
+
+    public function close()
+    {
+        if ($this->closed) {
+            return;
+        }
+
+        $this->closed = true;
+        $this->emit('end', array($this));
+        $this->emit('close', array($this));
+        $this->removeAllListeners();
+    }
+}