Release 0.4.0

Hotfix 0.3.1

Release 0.3.0

Merge pull request #6 from ataka/alphabetical-order

キーをアルファベット順に並べる

Merge pull request #3 from atsusy/support-xcode8

Support Xcode8

Merge pull request #1 from ataka/master

XCode 7 (Swift 2.0) 対応

fix Makefile