def process_ids ids
      case ids
      when Range
        return id_range_to_s(ids)
      when Array
        return id_a_to_s(ids)
      when String
        return ids.delete(" ")
      when Fixnum
        return ids
      end
    end
def process_ids ids
      case ids
      when Range
        return id_range_to_s(ids)
      when Array
        return id_a_to_s(ids)
      when String
        return ids.delete(" ")
      when Fixnum
        return ids
      end
    end
Converts arbitrary id input to a task safe string

 @param ids[Range, Array<String, Range, Fixnum>, String, Fixnum]
 @api public