+ Hints for track properties' columns and the whole track list
+ App caption, form caption and About text use app version and CPU architecture
! Added URLs to About text
! Fix: language select doesn't modify properties
! File path edit widened
! "Unsaved changes" MsgBox on close: buttons were messed
+ Remove string properties (Name, Lang) from file if they're empty
! If track flags are not set, assign default value and mark the flag modified so it will be changed on save
! Fix empty lang assignment