better handling for :*_url Consumer options
better handling for :*_url Consumer options

Only create a single Net::HTTP instance (containing the correct path).

gherry/oauth-ruby,JonathonMA/oauth-ruby,guimello/oauth-ruby,pelle/oauth,mrThe/oauth-ruby,felixbuenemann/oauth-ruby,mkrisher/oauth-ruby,ministrycentered/oauth-ruby,galois17/oauth-ruby