re-added explicit starting

addons/Wol/Wol.gd

@@ -99,7 +99,7 @@ func start(node = start_node):
 	emit_signal('started')
 
 	virtual_machine.set_node(node)
-	virtual_machine.resume()
+	virtual_machine.start()
 
 func resume():
 	virtual_machine.call_deferred('resume')

addons/Wol/core/virtual_machine.gd

@@ -95,6 +95,11 @@ func get_next_instruction():
 		return current_node.instructions[state.programCounter + 1]
 	return
 
+func start():
+	if execution_state == Constants.ExecutionState.Stopped:
+		execution_state = Constants.ExecutionState.Suspended
+		resume()
+
 func resume():
 	if current_node == null:
 		printerr('Cannot run dialogue with no node selected')
@@ -104,6 +109,10 @@ func resume():
 		printerr('Cannot run while waiting for option')
 		return false
 
+	if execution_state == Constants.ExecutionState.Stopped:
+		printerr('Dialogue is stopped, explicitely start it before resuming')
+		return false
+
 	execution_state = Constants.ExecutionState.Running
 	
 	#execute instruction until something cool happens