11) must add alias handling
22) [sizelimit moved to frontend]
3  must set time limit when preparing all queries, and check size limit
43) there was expressed a need to have access to IP in while constructing
5  queries, to have response alter in accordance to client IP. Will add
6  preprocessor for values in metatables, which would substitute things
7  like "$IP$".
84) must handle NOT filters (see ITS#2652)
95) must map attribute types and syntaxes between LDAP and SQL types (e.g.
10  use BLOBs for octet streams)
116) must define another mech to add auxiliary objectClass to all entries
12  according to ldap_at_mappings (ldap_entry_objclasses has limitations)
13