From af89a53b51dc16c064aaf131791ad701c365e89d Mon Sep 17 00:00:00 2001
From: sammyt291 <samuel_canning@hotmail.co.uk>
Date: Wed, 22 Jul 2020 15:31:39 +0100
Subject: [PATCH 1/2] Make FindByClass default to return all

---
 lua/zones.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lua/zones.lua b/lua/zones.lua
index f95d6f2..d0eabd3 100644
--- a/lua/zones.lua
+++ b/lua/zones.lua
@@ -134,6 +134,9 @@ end
 
 --Gets a list of all zones which are of the specified class.
 function zones.FindByClass(class)
+	if class == nil then return zones.List end
+	if class == "" then return zones.List end
+	
 	local tbl = {}
 
 	for k,v in pairs(zones.List) do
@@ -608,4 +611,4 @@ function zones.PointInPoly(point,poly) //True if point is within a polygon.
 	end
 
 	return inside
-end
\ No newline at end of file
+end

From cdbbe8a7c630fe441823ed5ed9d7807189795f6a Mon Sep 17 00:00:00 2001
From: sammyt291 <samuel_canning@hotmail.co.uk>
Date: Fri, 31 Jul 2020 00:25:48 +0100
Subject: [PATCH 2/2] check for not string instead

Return all on input being anything other than a string
---
 lua/zones.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/zones.lua b/lua/zones.lua
index d0eabd3..3a9396e 100644
--- a/lua/zones.lua
+++ b/lua/zones.lua
@@ -134,7 +134,7 @@ end
 
 --Gets a list of all zones which are of the specified class.
 function zones.FindByClass(class)
-	if class == nil then return zones.List end
+	if (not isstring(class)) then return zones.List end
 	if class == "" then return zones.List end
 	
 	local tbl = {}