Added method saving and calling

Added feature that allows you to save a function within the format, and
then call it by the name; callMethod(args[])
Made some changes to the math classes

I made some minor changes to most of the math classes. Nothing to big
of a change.
Added the method saver and caller

Added all of the methods needed for the method saver and caller.
Added the Zeta pattern

Added a new feature called "Zeta". It allows you to interact with the
Random class even further. You can create your own patterns to make the
random combination that you need.
Added a String Utilities class

Added a new class for all the helper methods for Strings, Arrays and
Lists.