Functions to pay extreme attention to
- string format vulnerabilities if not careful:
  * BroadcastDcc towho format ...
  * SendUmode umod format ...
  * putlog level format ...
  * RecordCommand format ...
  * debug format ...
  * fatal keep format ...
  * notice from nick format ...
  * os_notice lptr sock format ...
  * o_RecordCommand sock format ...
  * o_Wallops format ...
  * toserv format ...
  * tosock sock format ...
