fixed tests for newer versions of capybara
persisting cache across sessions
multiple request types
ability to ignore parameters when caching certain requests
current tests passing
test for ignoring params
not sure how to test writing to disk
tests for persistence and configurability
persistence test should be passing, but config.persist_cache doesn't get set ot true
debugging leftovers
body of POST requests is considered in caching
included section on caching in README
Merge branch 'vcr-like-cache' of https://github.com/Swizec/puffing-billy into vcr-alike-cache

Conflicts:
	Gemfile.lock