Fixes:
-Fixed: Certain case-insensitive string comparisons were using culture-dependent casing rules. If your PC's culture was set to Turkish, this could cause two case-insensitively equal strings that both contained the letter "i" in different cases to incorrectly fail to match. Most comparisons were unaffected, but the FM scanner may have failed to detect some non-critical pieces of data (title, author etc.) if a user's culture was set to Turkish.
-Fixed: The custom date fields in the Settings window would reset to their default values if left blank.
-Fixed: The error text in the Settings window was not being updated when a new language was selected; it was only ever updated when the error check was run.
-Fixed: FM comments would have any trailing whitespace removed on load. Probably nobody ended their comments with a bunch of whitespace, but hey...
Misc:
-Pressing F1 will now open the manual file to the relevant section.
-Changed "Current culture" etc. to "System locale" in date format options, in an attempt to be more clear.
-If there are path errors on startup, the Settings window will now immediately show you what they are, rather than popping up and not showing you what's wrong until you try to hit OK.
-Added a small bit of text on the UI to try to make it more clear what the "Backup path" is for.
-Any language string that's missing from the selected language set will now fall back to the English default, rather than just leaving whatever was in there before.