2204: 	- Initial release

2904: 	- Two bugs found: (: ...) is now (?:...) and range 0-9 is ok (gives 0-8 in previous version)
	- All possessive quantifiers changed.
	- Added atomic groups (?>...).

0605:   - \xhh matches a character with a two digit hex code. Works in all regex.
	- Possessive quantifiers changed again.
        - [abc\] bug is removed.
	- Added backreference: \1 .. \9
	- Improved GUI and error handler.
