allow socket.io resource to be renamed from outside. close #80.

Author: pkyeck

SocketIO.h

@@ -120,4 +120,6 @@ typedef enum {
 - (void) sendEvent:(NSString *)eventName withData:(id)data andAcknowledge:(SocketIOCallback)function;
 - (void) sendAcknowledgement:(NSString*)pId withArgs:(NSArray *)data;
 
+- (void) setResourceName:(NSString *)name;
+
 @end

SocketIO.m

@@ -136,7 +136,7 @@ - (void) connectToHost:(NSString *)host
         NSString *protocol = _useSecure ? @"https" : @"http";
         NSString *port = _port ? [NSString stringWithFormat:@":%d", _port] : @"";
         NSString *handshakeUrl = [NSString stringWithFormat:kHandshakeURL, protocol, _host, port, kResourceName, rand(), query];
-                
+        
         DEBUGLOG(@"Connecting to socket with URL: %@", handshakeUrl);
         query = nil;
 
@@ -148,7 +148,7 @@ - (void) connectToHost:(NSString *)host
         _handshake = [[NSURLConnection alloc] initWithRequest:request delegate:self startImmediately:NO];
         [_handshake scheduleInRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
         [_handshake start];
-
+        
         if (_handshake) {
             _httpRequestData = [NSMutableData data];
         }
@@ -250,6 +250,11 @@ - (void) sendAcknowledgement:(NSString *)pId withArgs:(NSArray *)data
     [self send:packet];
 }
 
+- (void) setResourceName:(NSString *)name
+{
+    kResourceName = [name copy];
+}
+
 # pragma mark -
 # pragma mark private methods