@@ -93,11 +93,15 @@
 fn.capitalize = function(str)
 	return string.upper(string.sub(str, 1,1)) .. string.sub(str, 2)
 end
 
-fn.has = function(tbl,value)
+fn.has = function(tbl,value,eqfn)
 	for k,v in pairs(tbl) do
-		if value == v then return true, k end
+		if eqfn then
+			if eqfn(v,value,tbl) then return true, k end
+		else
+			if value == v then return true, k end
+		end
 	end
 	return false, nil
 end