add clock, change exceptions, add network exceptions, fix some crashes

src/framework/core/eventdispatcher.h

@@ -35,19 +35,10 @@ struct ScheduledEvent {
 class EventDispatcher
 {
 public:
-    /// Initialize dispatcher
-    void init();
-
-    /// Cleanup scheduled events
-    void terminate();
-
-    /// Execute scheduled events
+    void flush();
     void poll();
 
-    /// Add an event
     void addEvent(const SimpleCallback& callback, bool pushFront = false);
-
-    /// Schedule an event
     void scheduleEvent(const SimpleCallback& callback, int delay);
 
 private: