Add gitSsh type for checking git+ssh URLs.
Fix gitSsh test.
Add gitSsh to README.
Change gitSsh to gitUrl, and add checks for git+http and git+https URLs.
Merge pull request #19 from galniv/master

Add support for git URLs
Update authors.
Rejiggle some shizzle.
Re-order unit tests.
Update minified script.
Update readme.
Bump version.
Update dependencies.
Update history.
Automatically rewritten for npm.