Adding lots of stuff:
- cwd -- keeps track of working dir and sets exec to use it.
- cd -- lets you change cwd
- stat -- stats the file and parses it into json
- statDir -- runs stat on all files in the directory (*)
- recursiveStatDir -- runs stat on all files from cwd (...)
- revert -- reverts the file given in the args
- submit -- submits the file given in the filepath arg, with description
  given in desc arg
- sync -- syncs the file in the args to the head rev
- syncDir -- runs sync on *
- recursiveSyncDir -- runs sync on ...
- have -- stats the file and grabs haveRev
- login -- logs in with the username and password given