Patch 3.1.11: Wiznet, levels, divorce, birthdays, ban, date

This patch features:
	Wiznet TICKS fixed (NULL ch crashed the mud)
	Divorce disabled (crashed in str_dup, ssm.c)
	Changed levels of some commands (string, echo)
	Fixed newrings for marriage
	Wiznet DEATHS, SWITCHES, FLAGS, LOGINS, LOAD, SNOOPS implemented
	Birthdays added. With birtday gifts. Approx every 17.5 hours
	Room-sectortypes and flags added in do_look
	Languages fixed (invis players showed, and NPS's crashed)
	Removed some excess \n\r's
	Improved ban to allow for a level
	Changed date system to use variables instead of numbers

Installation:
	Copy the file mythran.patch-3.1.11 to the src directory
	Type: patch < mythran.patch-3.1.11

Bug fixes by Canth