todo:
* Add some APIs to get the clean service name from RR for browsing
-RFC MUSTs:
- * Return to probing state on conflict
- * fix flush bit when working on RRsets
- * one RR too large for single packet
-
* test against apple test suite
* release!
* support known answer suppresion for incoming unicast queries
* check wether RRsets are supported correctly (i.e. that all records of an
RRset are really sent if it is requested) (rfc 2181)
-* case insensitve comparision
-
+* case insensitve comparison
+* drop records from cache only one second after flush cache bit entry was received
+* either send entire RRSET or don't set flush cache bit!
+* mantain flush cache bit correctly in psched
+* Return to probing state on conflict
+* response job dependencies
+* enlarge packet in case a record/query is too large to fit in a normal packet