Added scaffolding for used price object
Add optional method to allow id to be passed to NadaClient methods as a string
Change get_object_id to target String or Integer
add specs to check calls accept string instead of object, add json as required gem
Merge branch 'master' into used_price
Add used price attributes
Add vehicle_id option to used_car method
Add vehicle_id option to used_price method
Merge branch 'master' of https://github.com/elchingon/nada
Update gem version
Add Mileage and mileage_adjustment to use_price
Add method  and spec to properly format options string, cleanup docs
move json from spec_helper to nada.rb
Merge pull request #2 from elchingon/master

Add option to pass in String or Integer as ids for nada_client calls.