Update version

Merge branch 'develop' of https://github.com/cloudson/gitql into develop

Release a minor release

go fmt

Increase version

Fix Ordering

Use gitql in subpath directories

- Use fork from libgit2/git2go

Fix bugs

- Usage wrong
- Makefile prints
- Correct error handling with log

Gitql, Here we go!

- Git-ql alias
- Switch q flag to an argument
- Add -show-tables flag
- some bug fixes

Some bug fixes about install process

- Duplicate download of git2go
- Add make clean