modular programming
// se co chay timer.
/* planner
| |
sendRequest sendAction | | sendRespond
request ------------> RequestManager ------------------> action ----------------> respondHandler
^ |
| sendAction |
-----------------------------
*/
// chac la run kieu the nay
============================== Cac' ban push vao banrch master nhe'. Khong duoc force push linh tinh day'.