Merge commit '4ccb970ee78d34230ee8241878332125b83ed130' into develop

+ adjust it a bit. close #109.

# Via Stepan Generalov
* commit '4ccb970ee78d34230ee8241878332125b83ed130':
  SocketIO: don't use NSURLConnection delegate property in -dealloc - not available without BlocksKit
  Ensure to cleanup properly in -disconnect & -dealloc - fixes crashes

Author: pkyeck

SocketIO.m

@@ -162,6 +162,7 @@ - (void) disconnect
     }
     else if (_isConnecting) {
         [_handshake cancel];
+        [self onDisconnect: nil];
     }
 }
 
@@ -786,10 +787,14 @@ - (void) connection:(NSURLConnection *)connection
 
 - (void) dealloc
 {
+    [_handshake cancel];
+    _handshake = nil;
+
     _host = nil;
     _sid = nil;
     _endpoint = nil;
 
+    _transport.delegate = nil;
     _transport = nil;
 
     [_timeout invalidate];