Bumped version to 1.2.2.

'LANGUAGE Safe' works since GHC 7.4.

Update .gitignore to better work with a cabal v2- workflow

Bumped version to 1.1.1.1.

Bumped minor version, now we're at 1.1.1.0.

Updated CHANGELOG.md.

version 1.1.0.3 [ci skip]

Bumped version to 1.1.0.2.

Improved documentation a tiny bit. Bumped version to 1.1.0.1.

Actually depend on the GHC version. :-/