Version 0.6.3 tag

Version 0.6.2 tag

Final readme language tweaks.

Minor tweaks and correctness fixes.

Fixed some issues with short-circuit option not always triggering cor…

…rectly.

Updated README.md, TODO.md and changelog.md.

Fixed issue with not always parsing command line args when file filte…

…rs were being used.

Minor tweaks to printing help output and other stuff...