Changes since ZNC 0.090:

This is a bugfix-only release, mainly for fixing CVE-2010-2488.

Fixes:
* ZNC wrongly counted outgoing connections towards
  the AnonIPLimit config option.
* The traffic stats caused a NULL pointer dereference if there were any
  unauthenticated connections. (CVE-2010-2488)
* Csocket had a bug where a wrong error message was generated
  and one that caused busy loops with c-ares.