relax SVN archive

Converted the Selection.wildcard_match() method into a module function.

Renamed 'string' to 'id' in the Selection.wildcard_match() method.

'*' shouldn't be replaced by '+', it should be replaced by '.*'!

Bug fix: None, str, or number is now accepted in Selection.wildcard_match().

'*' is replaced with '+' ion the Selection.wildcard_match() method.

This is to convert from relax re format the python re format.

Converted all numbers to strings for the Selection.wildcard_match() method.

Renamed Selection.match() to Selection.wildcard_match()

The molecule and residue name checking now use the new Selection.match() method.

Created the Selection.match() method to add regular expression capabilities to spin id strings.

Wrote a unit test for testing generic_fns.selection.parse_token() function on the string 'N*'.