Reword 'A person's home is their case' to 'Your home directory is your casetle'
Update jeweler's gemspec language too
Merge pull request #67 from technicalpickles/reword-third-person-to-second-person

Reword README's language from third person to second person
Added guard to project to run tests automatically.
Added new tests for status and commit
Added commands to reset either a single file or an entire castle.