Merge pull request #19 from zoidbergwill/master

Use Github auth for git clones if the PR is private
Remove double asterisk

The doesn't asterisk doesn't seem to do anything:
```
>>> fnmatch.fnmatch("test/filename/python.py", "test/*")
True
>>> fnmatch.fnmatch("test/filename/python.py", "test/**")
True
```
Merge pull request #21 from adrianmoisey/master

Remove double asterisk