replace tabs with spaces
convert to buffertools 2.0 and fix concat error
allow cosign to be included as module

...check to see if it is "main" like in python
wrap cosign in class so that testing is possible
remove debug console.log
add proof of concept test, only tests constructor
add test for main(), along with useful test modules
add test for clean, and structure tests for main()
fill in test for clean
add test for help
better describe test
Merge pull request #5 from ryanxcharles/feature/make-cosign-testable

Make cosign testable