Add some TODO items.
Merge pull request #1 from j-bennet/master

Keyword additions
Separate out the utility methods for sqlcompletion to parseutils.
Column names are stored under each table. Completion for columns is totally broken.
Fix the completion trigger for "order by" and "group by" commands.
Beginnings of a table specific column completion.
Improvements to release and TODO list.
Make it Py3 compatible.
Releasing version 0.5.0
BugFix: Reset for changing a DB was using the buggy defaultdict constructor.
Releasing version 0.5.1
Increase the height for completion menu.
attempt to suggest column name when function is typed