Add new class InputSensor
New test file for class InputSensor
Inmplemeted InputSensor

PASS: InputSensor: getNewData return a new instanse of InputData
PASS: InputSensor: have a property data for active InputData
PASS: InputSensor: newVersion sets a new instanase as data and returns
the old one;
PASS: InputSensor: you can recycle old InputData for reuse