v2.3: added Excel export;
- added option to export multiple chats to a single Excel workbook;
- added database corruption detection and recovery;
- added more statistics to database information page;
- fixed exporting from MSN Live accounts;
- fixed handling file transfer messages with unsupported filenames;
- fixed concurrency errors during merging (issue #11);
- improved emoticon parsing;
- improved Linux compatibility;
- a number of minor bugfixes and UI changes;
- increased error reporting;
- upgraded wxPython from 2.9.4 to 2.9.5;
- upgraded PyInstaller from 2.0 to 2.1;
- dropped BeautifulSoup dependency.