'wizmgender' flag

"Demote" wizmgender from an obscure wizard mode extended command
to an obscure wizard mode boolean option.  Behaves the same except
that no message is given when the value gets toggled.

doc/fixes37.0

@@ -1,4 +1,4 @@
-NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.454 $ $NHDT-Date: 1613444931 2021/02/16 03:08:51 $
+NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.455 $ $NHDT-Date: 1613721260 2021/02/19 07:54:20 $
 
 General Fixes and Modified Features
 -----------------------------------
@@ -509,6 +509,7 @@ changes accompanying sorting of discoveries resulted in omitting very last
 change to can_reach_floor() resulted in hero being unable to reach the floor
 	when held by a lichen
 panic if lua init fails
+change wizard mode command #wizmgender to wizard mode option 'wizmgender'
 
 curses: 'msg_window' option wasn't functional for curses unless the binary
 	also included tty support
@@ -788,7 +789,7 @@ consolidate several monsters that differed only by their gender into their
 	single species
 added wizmgender debugging command to display female monsters in red inverse;
 	helpful for debugging gender-related matters on tty; currently ignored
-	on other window ports
+	on other window ports [later: changed from command to boolean option]
 record number of encountered bones levels in xlogfile
 add bonesless to extended conducts field in xlogfile
 show bones levels information in enlightenment at end of game or in explore