see if latest rest-core works for rest-more
adopt latest rest-core
simply test against the latest ruby
default httpclient has a slightly different default header for

Accept-Encoding, and we should also match that case.
test for latest rest-core
a firebase client! TODO: error handling
quick example for firebase
update README.md, let's list all examples there
eventmachine no more
update rest-core
bump various stuffs