Merge pull request #33 from cansik/master

Prevents null-pointer exception if server is not yet initialised

Author: vade

src/codeanticode/syphon/SyphonServer.java

@@ -93,6 +93,9 @@ protected void finalize() throws Throwable {
    * @return boolean 
    */    
   public boolean hasClients() {
+    if(server == null)
+      return false;
+
     return server.hasClients();
   }