Updated problems to be more in line with conventions

Problem7.lua

@@ -1,11 +1,11 @@
 --ProjectEuler/lua/Problem7.lua
 --Matthew Ellison
 -- Created: 02-05-19
---Modified: 03-28-19
+--Modified: 06-19-20
 --What is the 10001th prime number?
 --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
@@ -26,12 +26,12 @@ require "Stopwatch"
 require "Algorithms"
 
 
-timer = Stopwatch:create();
+local timer = Stopwatch:create();
 timer:start();
 
 NUM_PRIMES = 10001;	--The number of the prime number desired
 --Get the correct number of primes
-primes = getNumPrimes(NUM_PRIMES);
+local primes = getNumPrimes(NUM_PRIMES);
 
 timer:stop();