Design Pattern Improved - More Modular than before

- Muon Muon Survival Probability Calculations Removed
	- M_M Probability uses simple theory than M_E
	- Keeping Two different theories may confuse users so
		it is removed
- GUI Function revised:
	- Button Press Callback Functions combined to
		1 single Function
- Main Functions Revised:
	- More modular design for easier to maintain