Cleanup todo
Fix the tsig documentation
Fix opt not as last record
Documentation updates
Rename nsec3 to nsecx as nsec stuff will be added
prototype nsec cover method
Set *ALL* headers bits, now showing CD and AD

Fill in the missing pieces of the header
cleanup
Fix crash in chaos
Always use "." for the root domain.
Merge pull request #14 from taralx/master

Thanks, pulled
documentation
better errors
small updates
make it compile
update todo
Allow deregistration of handler

Implemented in both the server and client.
Renamed to client function to match the server side functions
Example progs need to be "ported" as this *is* an API change.
Update the todo
iets mooier
small doc update