== 1.2.9

* Adding Git.configure (to configure the git env)

* Adding Git.ls_remote [Git.ls_remote(repo_path_or_url='.')]

* Adding Git.describe [repo.describe(objectish, opts)]

* Adding Git.show [repo.show(objectish=nil, path=nil)]

* Fixing Git::Diff to support default references (implicit references)

* Fixing Git::Diff to support diff over git .patch files

* Fixing Git.checkout when using :new_branch opt

* Fixing Git::Object::Commit to preserve its sha after fetching metadata

* Fixing Git.is_remote_branch? to actually check against remote branches

* Improvements over how ENV variables are modified

* Improving thrade safety (using --git-dir and --work-tree git opts)

* Improving Git::Object::Tag. Adding annotated?, tagger and message

* Supporting a submodule path as a valid repo

* Git.checkout - supporting -f and -b

* Git.clone - supporting --branch

* Git.fetch - supporting --prune

* Git.tag - supporting