[Strings] Refactor Strings Usage (#2305)

* Initial commit checkpoint

* More functions converted

* Commify

* More functions

* Fin

* Sort declarations

* Split functions between files

* Bots

* Update strings.h

* Split

* Revert find replaces

* Repository template

* Money

* Misc function

* Update CMakeLists.txt

* Saylink

* Update strings.cpp

* Swap Strings::Saylink for Saylink::Create since saylink is coupled to zone database

* API casings

zone/gm_commands/roambox.cpp

@@ -91,7 +91,7 @@ void command_roambox(Client *c, const Seperator *sep)
 					box_size,
 					c->GetTargetDescription(target),
 					spawn_group_id,
-					ConvertMillisecondsToTime(delay),
+					Strings::MillisecondsToTime(delay),
 					delay
 				).c_str()
 			);