code: def user_checkins(options={})
        response = connection.get do |req|
          req.url "users/self/checkins", options
        end
        return_error_or_body(response, response.body.response.checkins)
      end
docs: Get checkins for the authenticated user
   @param [Hash]  options
   @option options Integer :limit
   @option options Integer :offest - For paging through results
   @option options String  :sort - "newestfirst" or "oldestfirst"
   @option options Integer :afterTimestamp - Get all checkins after this epoch time.
   @option options Integer :beforeTimestamp - Get all checkins before this epoch time.