Make buffersize 20MB.
moving _jshint_ to a development dependency

this helps speed up `npm install` times :)
Merge pull request #61 from stephenmathieson/jshint-dev-dep

moving _jshint_ to a development dependency
Merge pull request #59 from waddlesplash/master

Make the maximum buffersize 20 MB.
removing extra fs calls

nothing major, but i've removed a bunch of extra `fs.existsSync` and `fs.statSync` calls, which should speed things up a bit.  extra calls have been removed from:

- `cd`
- `ls`
- `cp`
- `rm`
- `mv`
Merge pull request #62 from stephenmathieson/extra-fs-calls

removing extra fs calls