write a rake verification task
allow yeller clients to be configured with multiple blocks
if you call Yeller::Rack.configure multiple times, call all the blocks in order
yeller gem gets autorequired from bundler now
better inspect for yeller clients
autorequire rails stuff if rails is here
fix verification rake task
rename yeller example rails app folder
better error messages out of the yeller verification task
even better error message for missing api tokens
bump version number