Implement util function for merging 2 tables

api/common.lua

@@ -36,6 +36,12 @@ function industrialtest.internal.clamp(num,min,max)
 	return math.max(math.min(num,max),min)
 end
 
+function industrialtest.internal.unpackTableInto(first,second)
+	for k,v in pairs(second) do
+		first[k]=v
+	end
+end
+
 -- \brief Returns machine speed in items per operation
 -- \param meta MetaDataRef
 -- \returns number