Ticked version to v0.2.0 and updated (+ reordered) dependencies
Tests: better setup for replay (run `make test-record` to record requests, fixtures dir to /test/fixtures); tests using replay must call `setupReplay()` from /test/support
updated tests
added replay instead of nock, still a problem with ntwitter lib
switched by to nock for mocking tests involving remote api
Text tweaks