Performed de-duplication of the progress data and stats data (i.e. current file processed size was available in both progress data and stats data and not always updated simultaneously). There is no separate progress data anymore - everything is now placed in the stats data. (CH-124)
Bugfix: crash when opening explorer's context menu (boost lexical_cast incorrectly detected underlying stream type due to the implicit cast of TString to const wchar_t) (CH-107).