def parse_message(message)
      message[:user] = user(message.delete(:user_id))
      message[:created_at] = Time.parse(message[:created_at])
      message
    end
def parse_message(message)
      message[:user] = user(message.delete(:user_id))
      message[:created_at] = Time.parse(message[:created_at])
      message
    end
Modifies a hash representation of a Campfire message.  Expands +:user_id+
 to a full hash at +:user+, generates Timestamp from +:created_at+.

 Full returned hash:
 * +:body+: the body of the message
 * +:user+: Campfire user, which is itself a hash, of:
   * +:id+: User id
   * +:name+: User name
   * +:email_address+: Email address
   * +:admin+: Boolean admin flag
   * +:created_at+: User creation timestamp
   * +:type+: User type (e.g. Member)
 * +:id+: Campfire message id
 * +:type+: Campfire message type
 * +:room_id+: Campfire room id
 * +:created_at+: Message creation timestamp