Replaces most of the gender macros. (#4681)

* Fixes #4632.

* 1:27 am coding best coding

* fixes a warning

* Removes the last of the gender macros. Gender is dead.

* gender II: the travis-ing

* linebreaks are dead too.

* oops i accidentally the gender, also ambiguous gender is now taken into account for get_visible_gender

code/modules/library/lib_machines.dm

@@ -149,8 +149,9 @@ datum/borrowbook // Datum used to keep track of who has borrowed what when and f
 				dat += "<A href='?src=\ref[src];switchscreen=7'>7. Access the Forbidden Lore Vault</A><BR>"
 			if(src.arcanecheckout)
 				new /obj/item/weapon/book/tome(src.loc)
+				var/datum/gender/T = gender_datums[user.get_visible_gender()]
 				user << "<span class='warning'>Your sanity barely endures the seconds spent in the vault's browsing window. The only thing to remind you of this when you stop browsing is a dusty old tome sitting on the desk. You don't really remember printing it.</span>"
-				user.visible_message("<span class='notice'>\The [user] stares at the blank screen for a few moments, \his expression frozen in fear. When \he finally awakens from it, \he looks a lot older.</span>", 2)
+				user.visible_message("<span class='notice'>\The [user] stares at the blank screen for a few moments, [T.his] expression frozen in fear. When [T.he] finally awakens from it, [T.he] looks a lot older.</span>", 2)
 				src.arcanecheckout = 0
 		if(1)
 			// Inventory