Finishes the last of the error fixes

Fixes Integer precision loss in autotransfer.dm and types_ch.dm
Fixes operator overload in solargrub.dm
Fixes field access requires static type errors in vorepanel_vr.dm, kasscbuttons_ch.dm, and seed.dm
Fixes ambigious && in metroid_infestation.dm

code/controllers/autotransfer.dm

@@ -18,7 +18,7 @@ var/datum/controller/transfer_controller/transfer_controller
 	currenttick = currenttick + 1
 	//VOREStation Edit START
 	if (round_duration_in_ds >= shift_last_vote - 2 MINUTES)
-		shift_last_vote = 999999999999 //Setting to a stupidly high number since it'll be not used again.
+		shift_last_vote = 1000000000000 //Setting to a stupidly high number since it'll be not used again.
 		to_world("<b>Warning: This upcoming round-extend vote will be your last chance to vote for shift extension. Wrap up your scenes in the next 60 minutes if the round is extended.</b>") //CHOMPStation Edit
 	if (round_duration_in_ds >= shift_hard_end - 1 MINUTE)
 		init_shift_change(null, 1)

code/game/objects/kasscbuttons_ch.dm

@@ -172,7 +172,8 @@
 	icon = icon_types[index] ? icon_types[index] : icon_types["def"]
 	icon_state = icon_state_types[index] ? icon_state_types[index] : icon_state_types["def"]
 	trig_proc = trig_proc_types[index] ? trig_proc_types[index] : trig_proc_types["def"]
-	trig_args = trig_args_types[index].len ? trig_args_types[index] : trig_args_types["def"]
+	var/list/trig_arg_type = trig_args_types[index]
+	trig_args = (istype(trig_arg_type) && trig_arg_type.len) ? trig_args_types[index] : trig_args_types["def"]
 
 /obj/kbutton/toggle/button_trigger()
 	toggled = !toggled

code/modules/events/metroid_infestation.dm

@@ -15,7 +15,7 @@
 		var/in_area = get_area(temp_vent)
 		if(istype(in_area, /area/crew_quarters/sleep) || istype(in_area, /area/hallway/secondary/entry))
 			continue
-		if(!temp_vent.welded && temp_vent.network && temp_vent.loc.z in using_map.station_levels)
+		if(!temp_vent.welded && temp_vent.network && (temp_vent.loc.z in using_map.station_levels))
 			if(temp_vent.network.normal_members.len > 10) //CHOMP Edit: Most our networks are 40. SM is 4 and toxins is 2. This needed to change in order to spawn.
 				vents += temp_vent
 

code/modules/hydroponics/seed.dm

@@ -685,7 +685,8 @@
 
 					if(isnull(gene_chem[i])) gene_chem[i] = 0
 
-					if(chems[rid].len < i) //YW Edit: allows plants whose reagents have not been defined uniformly to splice properly
+					var/list/chems_rid = chems[rid]
+					if(istype(chems_rid) && (chems_rid.len < i)) //YW Edit: allows plants whose reagents have not been defined uniformly to splice properly
 						continue
 
 					if(chems[rid][i])

code/modules/mob/living/simple_mob/subtypes/vore/shadekin/types_ch.dm

@@ -58,8 +58,8 @@
 	You struggle to stay awake while floating helplessly in the goo."
 	player_msg = "You are Rakshasa. You are not to directly harm crew, only consume. You never speak a language."
 	energy_adminbuse = TRUE
-	maxHealth = 999999999999
-	health = 999999999999
+	maxHealth = 1000000000000
+	health = 1000000000000
 	eye_state = "BLUE EYES"
 	eye_icon_state = "e_rakshasa"
 

code/modules/mob/living/simple_mob/subtypes/vore/solargrub.dm

@@ -104,7 +104,7 @@ var/global/list/moth_amount = 0 // Chompstation Addition, Rykka waz here. *pawst
 			PN = attached.powernet
 			release_vore_contents()
 			prey_excludes.Cut()
-			moth_amount++
+			moth_amount = moth_amount + 1
 			death_star()
 
 /mob/living/simple_mob/vore/solargrub/proc/death_star()

code/modules/vore/eating/vorepanel_vr.dm

@@ -258,7 +258,9 @@
 			selected_list["liq_interacts"]["liq_reagent_addons"] = list()
 			for(var/flag_name in selected.reagent_mode_flag_list)
 				if(selected.reagent_mode_flags & selected.reagent_mode_flag_list[flag_name])
-					selected_list["liq_interacts"]["liq_reagent_addons"].Add(flag_name)
+					var/list/selected_list_member = selected_list["liq_interacts"]["liq_reagent_addons"]
+					ASSERT(islist(selected_list_member))
+					selected_list_member.Add(flag_name)
 
 		selected_list["show_liq_fullness"] = selected.show_fullness_messages
 		selected_list["liq_messages"] = list()