0.99.3 - reintroduced 'filter-aaaa' and 'filter-aaaa-on-v4/6' statement

Fixes #47 parse exception error with filter-aaaa-on-v4 statement in view and zone clauses.

Also re-introduced filter-aaaa and filter-aaaa-on-v6 statement back in despite being obsoleted by 9.14.0 (introduced in 9.8.0).