Support Swift5

Merge pull request #49 from marty-suzuki/swift5

Support Swift5

Bug Fix

Merge pull request #48 from marty-suzuki/develop

Fix #47

Support Swift4.2 and macOS

4.0.0

update podspec

Support Swift3

2.0.0

update README.md

Support Swift2.3

1.4.0

Merge branch 'develop'

Support Swift3

2.0.0-beta

Merge branch 'master' into beta/swift3

Support Size Class

0.7.0

support Size Class