support NULL object as no timeout to event_add()
delete evBase from "struct CEvent"
rename Lib.Libevent/sample/test.k =>echoServer.k
rename "CEvent*" -> "Cevent*"
rename "CallBackArg" => "EventCallBackArg"
revise call sequence including parameters like libevent style
support event_del()
generate Event Object key to use as Map key
working commit(pass to compile)
use "CHECKTAG_before_bufferevent" tag to check diff
working commit
+ implement bufferevet to Libevent_glue.c, and pass compile
execute sample/bufferevent.k
fix mistake
[CONFIRMED] 'bufferevent.k' connects 'echoServer.k'
[TODO] support to use Konoha-instance in callback method.
Ideal situation is to treat Bufferevent instance in Libevent_glue.c.
Revert "[TODO] support to use Konoha-instance in callback method."

This reverts commit cbec8a0e1f67680b7e651e6cbedff227de0ed137.
bufferevent first step
revise by code review on Feb14
Merge pull request #397 from tosnoz/libevent_reviseAPI

Libevent revise api
refactor Bash Module
replace printf => PLATAPI printf_i in Bash Module