cleaner SIS test
shorter renamer test
simpler drop single value variables test
added pending via testthatsomemore
removed test test
Style guide
parse datetime now works on dates
clarified error messages
Merge pull request #22 from robertzk/createdat_munger

Parse datetime now works on dates (e.g., funding date)
Backmerged master
Merge pull request #20 from robertzk/clean_tests

Clean tests
Backmerged master
Stop test (WIP)