 * win32: edit libltdl (or check for update?) to enable *_ltx_* prefixes

 * If multiple queries are sent to one server, it will only answer one query,
   thus leaving the other threads waiting for the answer. Basically we shouldn't
   accept multiple equivalent queries at the same time from one client, and
   maybe even have a solution for multiple clients.

 * linux: initial messages don't get syslog'ed


LONGER TERM (0.60.x, 0.70.*)
 * implement 'restart' functionality (&remove all modules?)
 * access control lists
 * cryptography
 * a mod_srv for automagic generation of SRV records (and other round-robin
   features?!)
 * query reports

