Finished promisifying everything in deploytool and resolving some oth…

…er issues to boot. Ready to bump to 0.2.2 even though it's still likely buggy

Replace last-commit lib with deployed lib for managing reading from a…

…nd writing to a .deployed file. Refactored other code again as well.

Refactor again, introduce major breaking change with plugin architect…

…ure, version bump

Simplify environment config invocation

Version bump