v1.0.2

Bugfix: single character literals dropped
Example 'ab*' would return 'a' but not 'ab' or 'abb' (and so forth).

v1.0.1

Fixed memory leaks
Fixed matching backrefs to repeated groups

v1.0.0

Fixed /W/w/S/s throwing errors in reduced alphabet

Imposed c++17 standard
Removed TODO list