516 Compile Compatibility (#88611)

Renames all uses of caller, as they (currently) shadow the new byond var
and will in future error
Ups our "wan if compiled after" experiement compile version to 516
Adds an alternate 516 unit test

Author: LemonInTheDark

.github/alternate_byond_versions.txt

@@ -2,7 +2,6 @@
 # This is useful for making sure we maintain compatibility with both older and newer versions,
 # while still having our main tests run on a guaranteed pinned version.
 
-# Format is version: map
 # Format is "version: map" or "version: map;max_required_client_version"
 # Example:
 # 500.1337: runtimestation

code/_experiments.dm

@@ -18,5 +18,5 @@
 #endif
 
 #if DM_VERSION >= 517
-	#error "Remove all 517 experiments"
+	#error "Remove all 516 experiments"
 #endif

code/datums/actions/cooldown_action.dm

@@ -263,6 +263,7 @@
 	if(unset_after_click)
 		unset_click_ability(clicker, refund_cooldown = FALSE)
 	clicker.next_click = world.time + click_cd_override
+
 	return TRUE
 
 /// For signal calling

code/datums/components/pet_commands/pet_command.dm

@@ -83,7 +83,7 @@
 		if (!found_new_target)
 			return
 
-	if (try_activate_command(speaker))
+	if (try_activate_command(commander = speaker, radial_command = FALSE))
 		look_for_target(parent, target)
 
 /// Does this callout with this target trigger this command?

code/game/machinery/dna_infuser/infuser_actions.dm

@@ -54,7 +54,7 @@
 	ink.firer = clicker
 	ink.fire()
 	playsound(clicker, 'sound/items/weapons/pierce.ogg', 20, TRUE, -1)
-	clicker.newtonian_move(get_dir(target, clicker))
+	clicker.newtonian_move(get_angle(target, clicker))
 	StartCooldown()
 	return TRUE
 

code/modules/mob/living/carbon/alien/adult/alien_powers.dm

@@ -298,7 +298,7 @@ Doesn't work on other aliens/AI.*/
 	neurotoxin.aim_projectile(target, clicker, modifiers)
 	neurotoxin.firer = clicker
 	neurotoxin.fire()
-	clicker.newtonian_move(get_dir(target, clicker))
+	clicker.newtonian_move(get_angle(target, clicker))
 	return TRUE
 
 // Has to return TRUE, otherwise is skipped.

code/modules/spells/spell_types/pointed/swap.dm

@@ -38,7 +38,7 @@
 /datum/action/cooldown/spell/pointed/swap/InterceptClickOn(mob/living/clicker, params, atom/target)
 	if(!LAZYACCESS(params2list(params), RIGHT_CLICK))
 		return ..()
-
+		
 	if(!IsAvailable(feedback = TRUE))
 		return FALSE
 	if(!target)