Splitter 6.1 (326)

• Splitter longer writes the "customComparison" variable to the LSS when saving (this was needed before Splitter 4.3, but apparently I forgot to remove it)
• Updated check for updating a pre-4.3 split file
  • The update for pre-4.3 Splitter files is no longer performed on split files ≥ 4.3

The result of these changed is that saving a file in the middle of a run no longer resets it, though just like LiveSplit, the timer will still be Zero when loading a file