Added setStepForGen Function to Rule
Implemented the function in CodeGen
OPEN - task 21: Convert N-Step Engine from simulation feature to code
feature 
http://github.com/Hexcore/HxCAS/issues/issue/21
Changed TAG in Simulator and CAPIPServer as they were incorrect.
Added Stepping to Client.
Client now steps it's rule as per the generation number.
CLOSED - task 21: Convert N-Step Engine from simulation feature to code
feature 
http://github.com/Hexcore/HxCAS/issues/issue/21