Get ready for k-out-of-n
Fix calculating index method
Be able to print the system
Add weight to reliability, cost, weight

- Maybe we need to normalize weight
- Bug at calculating cost
Fix isWeightChanged
Normalize weight sum
Add repair algorithm
Clean Utility
Change report format
Ready to run!!
precise at 0.01
Fix incorrect calculation
Ready to make a report
Fix a big bug!!!
Add repairing option
Fix incorrect fitness calculation
Add pre-define individual method
Improve report and change crossover
Add BruteForce and GA for reporting
Fix too many things to explain