Fixed a bug where the @config was improperly set.
Fixed a bug where the @config was improperly set.

The config object passed in via the constructor was never really used,
except for the @api_host.

Signed-off-by: John Nunemaker <70e8fe1b9b8cfc792cf4fe22f222a791cdb42e7f@gmail.com>
creeshla/ruby-twitter,sideci-sample/sideci-sample-twitter,paulsingh/twitter,producthunt/twitter,tigerlily/twitter,drnic/twitter,istan/twitter2xx,develon/twitter,chriswarren/desk,universsky/twitter,sferik/twitter,stefansundin/twitter,kevinmel2000/twitter,yujinakayama/twitter,mike-north/twitter,jdrago999/twitter,SophieDeBenedetto/twitter,paulgonz6/twitter,deadprogram/twitter,dantame/twitter,Talkdesk/desk,ariarijp/twitter,na-g/twitter,leoniddinershtein/assistly,backupify/twitter,stkn417/twitter,jasonbodie/twitter,noahd1/twitter,chute/twitter,terry/twitter,bonekost/twitter,travis-repos/twitter,roschaefer/twitter,timsly/twitter,bdares/me2day,DarbySmart/twitter,kmcmcurtis7/twitter,megashurik/twitter,thomas-holmes/twitter,matthewtidd/twitter