added loops.rb

Partially finished it
removed .project file
switching IDE's I can't stand Eclipse with Ruby
enum class put in
enum class put in and done
if.rb added
added a Catch_throw.rb file
added class_methods.rb
difference between class methods and variables
added exceptions.rb
bout to change up the calc class to handle more exceptions
added exceptions.rb
Changed Exception Class to handle more exceptions
readd .project