Add #48 - make "limit" run faster
Add column function execution for the project columns
Remove query.py
Add h_combine aggregate function
Fix the h_combine to handle the "None" case
Create a separate module for column functions
Adding server override
Merge pull request #55 from oldmantaiter/oldmantaiter/add-server-override

Adding server override
Add feature #56 - Being able to purge a query result
Bump version to 0.2.6