Merge pull request #88 from etagwerker/fixes-86-json-support

new default ruby version for local dev

Merge pull request #87 from etagwerker/feature/more-rubies

Refactor reporter class out of the bin/churn file

Refactor code and add a json option

This call is no longer needed

Change the way we require mocha/minitest

Bump dependencies to use more modern versions

Change reference to Sexp object

Drop support for ancient rubies

Test with more modern rubies

remove travis ci badge

remove gemfile lock

remove travis CI

update