Created Issue: Null character \0 is not recognized [11308]

Add to your lex file a rule that matches null character

\0 whatever....

gplex will crash with exception:

Unhandled Exception: System.IndexOutOfRangeException: Array index is out of range.
at QUT.Gplex.Parser.CharacterUtilities.EscapedChar (System.String source, System.Int32& index) [0x00000] in :0