conflict with debug_kit
fixed extend
Merge remote-tracking branch 'monsat/2.0-monsat' into 2.0
Merge branch '2.0' of https://github.com/hiromi2424/twitter_kit into 2.0
move to 2.0 directory structure
認証情報がセッションから消えない問題を修正
Merge pull request #5 from kaz29/2.0

fixes 2.0
fixed strict and warning errors