add - writing files and gzipping
remove - input directory
update - some code, only working perfectly some of the time
remove - unnecessary modules
add - ignoring test files in gitignore
add - file compression works! added async library
add - renaming works, gzipping doesn't
update - async each with final callback
refactor - POST /upload with async waterfall
refactor - formatting
add - sam's refactor (waterfall, etc). sending files back, named correctly
update - removed unnecessary console.logs
add - res.download