1. Set default buttontext
2. Set default optionalcommandlineparams (to none)
3. Avoided missing relativepathandfilename when using skiptobutton
4. Avoided missing buttontext when using skiptobutton
5. Avoided invalid clicks
6. Made REG files get saved as Unicode+BOM instead of UTF-8, to support relevant registry data characters
7. Fixed support for single quotes inside places like optionalcommandlineparams