Bump to version 0.12.1

Bump to version 0.12.0

Xcode 8.2 is required. Xcode 8.1 may work, not test.

Swift 2.3 support

Bump to version 0.9.5 and update the podspec

Subspecs are removed.

Bump version to 0.9.4

Bump version to 0.9.3

Bump version to 0.9.2