1.optimize locker script of un read lock
fix(locker_refresh): fix bug of locker refresh
1.fix bug of locker refresh when locker lock success after wait
test(lock_case): add new redis locker case
1.add new redis locker case
1.fix bug of reset time wrong with ReentrantRLock in RLock script
2.fix bug of write lock failing to lock for the first time
3.fix bug of unlock failed with ReentrantWLock in UnWLock script
test(lock script): add new test of RLock and WLock
1.add refresh test of RLock
2.add new test of ReentrantWLock#