Update .gitignore
Handle processing of a CSV with a url header in the row.
More work on CSV URLs.
Switch to using expandurl.me instead of unshort.me
Update unshort() docstring to correctly refer to expandurl.
Remove unneeded store_api_key().
Remove commented out code.
Merge pull request #4 from StevenMaude/use_expandurl_instead_of_unshort

Use expandurl instead of unshort