Updated gitignore to not track test/test
Oid's can now be either a string or an Oid object
Added a test for getting a blob out with an Oid object
Removed console.logs from create-new-repo example
Added some convenience methods to repo
Added some convenience methods for remotes
Fixed Oid/String parameter parsing on C++ end
Updated fetch example to use remote shortcut
Lookup functions now can normalize their objects
Initial add of merge convenience method
fix test
update merge method to take in signature
Added in an alias to `head()` on a repo object
Merge pull request #297 from nodegit/convenience-methods

Convenience methods
try prepublishing
remove unneeded code and add info
fix prepublish detection
nullchecking python path
switch from `which python` to `python -V`
fix install. python really needs to stop outputting its version on stderr