What's new in this version:
- Fix unable to edit file extension associations on Linux systems (issue 745).
- Fix issue with duplicated @ symbols inserted by generic completer (issue 743).
- Fix some Unicode handling issues in log handler.
- Fix bug in Tango art provider fallback code which could end up looking in Default theme instead of Tango theme directory for mime icons.
- Fix PyDeadObject errors related to failed destruction calls by AuiManger.