Add Tim sort implementation with tests

Remove LazyRangeAdder and its test

Add main method with example usage to PowerSet

Refactor PowerSet: return lists, add overflow guard, add tests

Remove RabinMillerPrimalityTest.py and its README entry

Rename NChooseRModPrime to BinomialCoefficientModPrime, add tests

Add ModPow (modular exponentiation) to README

Refactor ModPow: fix overflow, simplify loop, add tests (#1315)

Refactor ChineseRemainderTheorem: reuse PrimeFactorization, add tests (#1314)

Add Dynamic Programming on DAG (Kahn's Algorithm) with test cases (#1313)

Refactor PrimeFactorization: replace trial-division isPrime with Miller-Rabin, add tests (#1312)

Fix Steiner tree complexity formatting in README: replace _ with ·

Refactor Lazy and Eager Prim's MST implementations (#1311)

Refactor Heapsort: add docs, simplify sink with for loop (#1310)

Math updates