Random Tree Generator appears to be working, need more testing.
Need to fix random operator to be part of ptc2

Need to destory for print loops in Ptc2
Tried protected division, failed.
Added a division by zero test it doesn't pass because no protected
division.

Added Operator constructor for ptc2
Fixed ptc2
Added random Operator for ptc2
Added test for random Operator in ptc2
Added tests for ptc2
Added Vars, %Variables, ConstantRange to ptc2 constructor

Removed noise in ptc2.
Added nonOperatorSelection to mix variables and constants. 

Added ptc2 tests.
Finished protected division