Added implementation for operators that take 1,2,3 arguments
Added sin, cos, log, gpif to Operators

Added tests for single arguments operators
Added test for triple argument operator
Added complex test with a mix of all three types of operators
Moved operators to Operator class.
One cosine test commented out for failure (cos(pi/2) != 0) it actually
equals 6.1...... x 10 ^-17
Added Random Operator Generator to operator class

Drafted ptc2 implementation but is not functional as of yet.