Make insert_local work for an array of local files.
Move logic for getting a file_hash and a Dockerfile into their own methods.
Merge pull request #37 from ulyssecarion/master

Make insert_local work for an array of local files.
Need newlines or this doesn't work
Rerun VCRs post update to validate success
Version bump
Merge pull request #38 from swipely/add_newlines_to_dockerfile_for

Need newlines or insert_local doesn't work
Merge remote-tracking branch 'upstream/master'