0.3
===
* resize columns in list view enabled
* updated documentation screenshots
* fixed sorting by size and time stamp
* accelerated empty directory search

0.2
===
* fixed performance issue for large number of files

0.1b
====
* fixed window close problem
* new error list dialog (only open one error dialog at a time)
* fixed md5 checksume problem

0.1
===
 * initial release
