Extension:CreateWiki/cw requests table

+---+-+--+-+-++ +---+-+--+-+-++ +---+-+--+-+-++
 * Field        | Type                | Null | Key | Default | Extra          |
 * cw_id        | int(11)             | NO   | PRI | NULL    | auto_increment |
 * cw_comment   | blob                | YES  |     | NULL    |                |
 * cw_dbname    | varbinary(64)       | YES  |     | NULL    |                |
 * cw_ip        | varbinary(64)       | NO   |     | NULL    |                |
 * cw_language  | varbinary(12)       | NO   |     | NULL    |                |
 * cw_private   | smallint(6)         | YES  |     | NULL    |                |
 * cw_sitename  | varbinary(128)      | NO   |     | NULL    |                |
 * cw_status    | varbinary(16)       | YES  |     | NULL    |                |
 * cw_timestamp | varbinary(32)       | NO   |     | NULL    |                |
 * cw_url       | varbinary(96)       | NO   |     | NULL    |                |
 * cw_user      | int(10)             | NO   |     | NULL    |                |
 * cw_custom    | varbinary(96)       | NO   |     | NULL    |                |
 * cw_category  | varbinary(64)       | NO   |     | NULL    |                |
 * cw_visibility | tinyint(3) unsigned | NO  |     | 0       |                |