Massive click code rework by SuperSayu, ported from TG.

Full details at https://github.com/tgstation/-tg-station/pull/1206
Fixes #3648

Signed-off-by: Mloc-Argent <colmohici@gmail.com>

code/WorkInProgress/Cib/MedicalSideEffects.dm

@@ -34,7 +34,6 @@
 	for(var/T in L)
 		var/datum/medical_effect/M = new T
 		if (M.manifest(src))
-			log_debug ("[src], tick [life_tick] : [M] manfiested.")
 			src.add_side_effect(M.name)
 
 	// One full cycle(in terms of strength) every 10 minutes

code/WorkInProgress/buildmode.dm

@@ -57,7 +57,7 @@
 				dir = NORTHWEST
 			if(NORTHWEST)
 				dir = NORTH
-		return
+		return 1
 
 /obj/effect/bmode/buildhelp
 	icon = 'icons/misc/buildmode.dmi'
@@ -95,7 +95,7 @@
 				usr << "\blue Left Mouse Button on turf/obj/mob      = Select"
 				usr << "\blue Right Mouse Button on turf/obj/mob     = Throw"
 				usr << "\blue ***********************************************************"
-		return
+		return 1
 
 /obj/effect/bmode/buildquit
 	icon_state = "buildquit"
@@ -103,6 +103,7 @@
 
 	Click()
 		togglebuildmode(master.cl.mob)
+		return 1
 
 /obj/effect/bmode/buildholder
 	density = 0
@@ -142,7 +143,7 @@
 		else if(pa.Find("right"))
 			switch(master.cl.buildmode)
 				if(1)
-					return
+					return 1
 				if(2)
 					objholder = input(usr,"Enter typepath:" ,"Typepath","/obj/structure/closet")
 					var/list/removed_paths = list("/obj/effect/bhole")
@@ -156,9 +157,9 @@
 
 					master.buildmode.varholder = input(usr,"Enter variable name:" ,"Name", "name")
 					if(master.buildmode.varholder in locked && !check_rights(R_DEBUG,0))
-						return
+						return 1
 					var/thetype = input(usr,"Select variable type:" ,"Type") in list("text","number","mob-reference","obj-reference","turf-reference")
-					if(!thetype) return
+					if(!thetype) return 1
 					switch(thetype)
 						if("text")
 							master.buildmode.valueholder = input(usr,"Enter variable value:" ,"Value", "value") as text
@@ -170,9 +171,9 @@
 							master.buildmode.valueholder = input(usr,"Enter variable value:" ,"Value") as obj in world
 						if("turf-reference")
 							master.buildmode.valueholder = input(usr,"Enter variable value:" ,"Value") as turf in world
+    	return 1
 
-
-/proc/build_click(var/mob/user, buildmode, location, control, params, var/obj/object)
+/proc/build_click(var/mob/user, buildmode, params, var/obj/object)
 	var/obj/effect/bmode/buildholder/holder = null
 	for(var/obj/effect/bmode/buildholder/H)
 		if(H.cl == user.client)