Version bump for a release.

Version bump to do a release.

Bump version for a release to fix api breaks.

Version bump to do a spot release for the accidental api break.

Version bump to do a release.

Bump version to 1.9.0 to make a release.

Version bump to make a release.

Version bump for doing a release.

Update comment about version of cocoapods needed.

Update the docs on min Swift version required.