Prevent duplicate column names. Closes #92.
Optionally import cdecimal. #106.
Document installing cdecimal. Closes #106.
Remove unnecessary import.
Update CHANGELOG.
Better docs for Table. #108.
Param docs for Columns. #108.
Finish new documentation. Closes #108.
Cookbook: Underscore's any and all. Closes #107.
Stub statistics section. #84.
Cookbook: statistics. Closes #82.
Cookbook: pivot tables. Closes #41.
Add count column to aggregate output. Closes #111.
Roughing out Date support. #7.
Date.min and Date.max methods. #7
Implement ColumnType. #7.
Migrate cast methods on Column classes.
Refactor cast methods onto types.
Implemented DateType.date_format. Closes #112.
Tweaks to release process.