You've already forked lazarus-ccr
- validate user input before trying to solve. - stop calculating if nothing has changed. - refine messages if puzzle isn't solved. - remove unused code. - rename some methods. git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7251 8e941d3f-bd1b-0410-a28a-d453659cc2b4