Minor bug fixes and added documentation
-Source documentation and README updated to specify required and optional parameters that can be passed to make_reservation and make_immediate_reservation
-proctorserv_api_spec.rb updated to test make_reservation and make_immediate_reservation with :first_name, :last_name, and :complete_url
Merge pull request #1 from ProctorCam/proctorserv-api-rb-1.0.1

Minor bug fixes and added documentation