Initial commit. Add .gitignore
ignore generated files
Fix windows bugs.

Commands were not wrapped in strings in system() calls, as they should
have been, which caused a crash. File extensions were hardcoded, so it
would only output ".pre" files in every stage.
Add Windows Registry footprinting

On Windows, now footprints the entire registry for changes.
Merge pull request #2 from dead10ck/master

Fixed Windows crashes. Added Windows registry combing.