Changed threadengine to delete threads after Joining them, so the whole thread exists when being joined and so its safe to call non-threadsafe functions in the destructor

src/threadengine.cpp

@@ -12,7 +12,6 @@ Thread::Thread() : Exit(false)
  */
 Thread::~Thread()
 {
-	Join();
 }
 
 /** Sets the exit state as true informing the thread we want it to shut down

src/threadengine_pthread.cpp

@@ -6,6 +6,7 @@ void Thread::Join()
 {
 	SetExitState();
 	pthread_join(Handle, NULL);
+	delete this;
 }
 
 /* Threadengine attributes used by this thread engine */
@@ -18,7 +19,7 @@ static void *entry_point(void *parameter)
 {
 	Thread *thread = static_cast<Thread *>(parameter);
 	thread->Run();
-	return parameter;
+	pthread_exit(0);
 }
 
 /** Threadengines constructor

src/threadengine_win32.cpp

@@ -6,6 +6,7 @@ void Thread::Join()
 {
 	SetExitState();
 	WaitForSingleObject(Handle, INFINITE);
+	delete this;
 }
 
 /** Entry point for the thread