Better regexp for `ready_to_commit`
fix #18 README.md explains how to clone in a different position than /Users/arialdomartini
"accordingly" instead of "according" in README
Merge pull request #19 from lvivski/patch-1

Better regexp for `ready_to_commit`
git v1.7 or newer is required
It's documented that git v1.8.4 or newer is required