Consider adding CHANGELOG.md

[AlekSi]

http://keepachangelog.com/
Releases are nice, but not enough – they are not visible when the library is already cloned or vendored. Since both use markdown for formatting, they can be simply copied and pasted.

[romshark]

As of commit #c18bb02 the changelog is now available.

It's probably not yet fully compliant to the specification defined in http://keepachangelog.com/ so I'll keep this issue open for now.

[AlekSi]

Just to clarify: I put that link as a replacement for a long motivational description. Personally, I don't care much about that specific format.