Updated problems to be more in line with conventions

Problem25.lua

@@ -1,12 +1,12 @@
 --ProjectEuler/lua/Problem25.lua
 --Matthew Ellison
 -- Created: 03-26-19
---Modified: 03-28-19
+--Modified: 06-19-20
 --What is the index of the first term in the Fibonacci sequence to contain 1000 digits?
 --All of my requires, unless otherwise listed, can be found at https://bitbucket.org/Mattrixwv/luaClasses
 --I used the bigint library from https://github.com/empyreuma/bigint.lua
 --[[
-	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
@@ -28,7 +28,7 @@ require "Algorithms";
 local bigint = require "bigint";
 
 
-NUM_DIGITS = 1000;	--The number of digits to calculate up to
+local NUM_DIGITS = 1000;	--The number of digits to calculate up to
 
 
 --Setup the variables