Clojurians Log v2

I will have to introduce the breaking change for :headers, :multiValueHeaders fields, since there is a mismatch between local and aws api gateway. Api gateway automatically lowercases all :headers and :multiValueHeaders. Starting from 0.2.0 HL will do the same to unify the both environments.

New release of holy-lambda 0.2.0: https://github.com/FieryCod/holy-lambda/releases/tag/0.2.0