Support arbitrary formatter options
Make success message in the mix task more generic
Merge pull request #135 from alco/config

Support arbitrary formatter options
Fix IEx docs
Enable pandoc tests on Travis
Merge pull request #137 from alco/travis-pandoc

Enable pandoc tests on Travis
Fix pandoc tests
Use Base.encode16 for brevity
Merge pull request #138 from alco/travis-pandoc-tests

Fix pandoc tests
Get rid of explicit nil check in favor of guards