+ add git ignore file
* fix unsubscribe issue
- refactoring. add subscriber class and test case.
- change configuration.
+ add dispose action for subscriber
+ complete event and subscriber
* fix missing requires
* fix bugs caused by missing requires.
+ add some log to indicate communication status.
* fix null reference exception
+ add some log
- change property name from retryLimit to tryTimes. Makes it more clear
* fix some bugs.
* if request result is not recognizable, always treat as fail.
* fix a wrong event status bug
* fix bug when same subscriber tries to connect more than 1 time.
- change database name.
* fix a bug. Subscriber should be unsubscribed.
- manage disconnect event. auto unsubscribe all events.
Merge pull request #3 from zhangyaoxing/develop

- manage disconnect event. auto unsubscribe all events.
Merge remote-tracking branch 'socketevent-yxz/master'