WebAuth: Be explicit that we only support the "auth code" flow and not the "token" flow.
WebAuth: Be explicit that we only support the "auth code" flow and not the "token" flow.

TimeDoctorLLC/dropbox-sdk-php,itsazzad/dropbox-sdk-php,dropbox/dropbox-sdk-php,itsazzad/dropbox-sdk-php,dropbox/dropbox-sdk-php,TimeDoctorLLC/dropbox-sdk-php,sayfulit/dropbox-sdk-php,sayfulit/dropbox-sdk-php,demisang/dropbox-sdk-php,demisang/dropbox-sdk-php