'Get all form UUIDs/Revs available for a given resource
@return: a list of all available forms for the given
resource, the list will contain tuples such
that the first value is form-uuid and the
second value is form-revision'

def __getResourceForms(self):

    db = current.db
    table = db.ocr_meta
    query = (table.resource_name == self.resource.tablename)
    rows = db(query).select(table.form_uuid, table.revision, orderby=(~ table.revision))
    availForms = []
    append = availForms.append
    for row in rows:
        append({'uuid': row.form_uuid, 'revision': row.revision})
    return availForms
