Fix of issued #79 and #80: scope of calls to prepareQuery and formatLabel; bugfix when widget name contains '_0' or '_1'.
Fix assign vs apply.
Adding @augustomen to the authors list. Adding release notes. Fixes #80.
Bump version for current dev status and updating copyright year.
Include doc notes on scope change. Fixes #79.
Removing version added notes from 0.4
Removing documentation on removed fields.