Version 0.4 released

- Added support for messages without unique id's (some drafts, some mail imported from external programs)
- Sped up synchronization
- Finally created a windows installer...makes Synching Thunder a breaze to install!
- Fixed out of memory errors
- Added more robust error handling (program should now report all problems that occur)
- Added preliminary support for remembering selected folders - when a new favourite is added any folders that are currently selected will be remembered. Cannot be updated without creating a new favourite.
- upgraded to mstor v0.9.7