Updated problems to be more in line with conventions

Problem9.lua

@@ -1,11 +1,11 @@
 --ProjectEuler/lua/Problem9.lua
 --Matthew Ellison
 -- Created: 02-06-19
---Modified: 03-28-19
+--Modified: 06-19-20
 --There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product abc.
 --All of my requires, unless otherwise listed, can be found at https://bitbucket.org/Mattrixwv/luaClasses
 --[[
-	Copyright (C) 2019  Matthew Ellison
+	Copyright (C) 2020  Matthew Ellison
 
 	This program is free software: you can redistribute it and/or modify
 	it under the terms of the GNU Lesser General Public License as published by
@@ -24,7 +24,7 @@
 
 require "Stopwatch"
 
-timer = Stopwatch:create();
+local timer = Stopwatch:create();
 timer:start();
 
 local foundTriplet = false;	--A simple flag to determine if we have found what we are looking for