Merge pull request #41 from LantaoJin/master

merge
Merge pull request #4 from dianping/master

sync
Merge pull request #42 from LantaoJin/master

remove flush
Merge pull request #5 from dianping/master

sync
add writer.flush() temporarily
bump to version 1.0
fix minor dump format issue
fix getRollTs UTC CST issue when period is 1day
fix bug in handleManualRecoveryRoll
Merge pull request #43 from ErikFang/master

bug fix
Merge pull request #20 from dianping/master

sync