'.. http:post:: /api/1/revisions/<int:revision_id>/comments
Create a new Revision Comment.
**Example Request**:
.. sourcecode:: http
POST /api/1/revisions/1141/comments HTTP/1.1
Host: example.com
Accept: application/json
"text": "This is a Revision Comment."
**Example Response**:
.. sourcecode:: http
HTTP/1.1 201 OK
Vary: Accept
Content-Type: application/json
\'id\': 22,
\'revision_id\': 1141,
"date_created": "2013-10-04 22:01:47",
\'text\': \'This is a Revision Comment.\'
:statuscode 201: Revision Comment Created
:statuscode 401: Authentication Error. Please Login.'

def post(self, revision_id):

    self.reqparse.add_argument('text', required=False, type=unicode, help='Must    provide    comment', location='json')
    args = self.reqparse.parse_args()
    irc = ItemRevisionComment()
    irc.user_id = current_user.id
    irc.revision_id = revision_id
    irc.text = args['text']
    irc.date_created = datetime.datetime.utcnow()
    db.session.add(irc)
    db.session.commit()
    db.session.refresh(irc)
    revision_marshaled = marshal(irc.__dict__, REVISION_COMMENT_FIELDS)
    revision_marshaled = dict((revision_marshaled.items() + {'user': irc.user.email}.items()))
    return (revision_marshaled, 200)
