Changes

v0.43  (10 Apr 2012):
 ! bugfix: tag2fname.dialog and fname2tag.dialog crash or disbehave on missing cookie file, or on incorrect
   cookie file syntax;
 ! bugfix: tag2fname.dialog fails to process file names containing single quotes;
 ! bugfix: tag2fname and fname2tag exit with "unknown charset ''" when run without -c option;
 ! bugfix: all scripts crash on file names with double quotes;
 ! bugfix: crashes on unsupported file formats;
 ! bugfix: some of the scripts fail to process file names containing $, % or @.
 ! bugfix: batchtag.dialog resulted in segmentation fault when run with -d option;
 ! bugfix: tagedit.dialog crashes on \ in tags;
 + tagedit.dialog now informs on editing read-only files;
 = increased maximum number of symbols per tag field in batchtag.dialog;
 = the dialogs now substitute the dollar sign in tags with a question char, because currently CDialog can't
   display $ correctly;
 = removed the warning about missing abstract in Makefile.PL, updated the README;
 = the -u option in tag2fname now works correctly (did nothing before);
 = fname2tag now does not run on empty -f format;

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v0.42  (21 Nov 2011):
 ! bugfix: batchtag.dialog fails to process files correctly and shows an "unknown encoding" error message;
 ! bugfix: crashes and wrong output while processing tags containing non-printable characters;
 ! bugfix: crash on tags containing semicolons;
 ! bugfix: tagedit.dialog adds trailing spaces in tag fields sometimes;
 = got rid of several occasional warning messages;
 = tag2fname.dialog now displays technical audio info as well as the other dialogs;
 = track length is now printed with leading zeroes in mins and secs;
 = somewhat debug logging option added (the output can still not very informative, though);
 = some minor code enhancements, cleanups and restructures;
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v0.41  (20 Oct 2011):
 ! fixed a bug when trailing spaces were added to all tag fields displayed by UI::Dialog::Backend::CDialog::form(),
   thus sometimes resulting in tag erasure in batchtag.dialog;
 + Installation via Makefile;
 = some code optimization done;
 - handle id3v2 tags as well as id3v1;
 - try to fix a strange issue with UI::Dialog::Backend::CDialog::form() crashing on field value equal to "--" (wtf?!)
 - fix UI::Dialog::Backend::CDialog::form() to be able to use "home","end" and backspace buttons in dialogs;
 - fix UI::Dialog::Backend::CDialog::form() bug related to escaping of $
 - problems with $ in tags (this is a bug of Taglib 1.5);