Major update - bumped to version 2.0
Main new features:
- Computes minhash signatures one read at a time. Huge savings on memory usage.
- Implemented new hash functions. Instead of using random permutations (requires high memory), it now uses the hash function (a*x+b) mod p mod N, where a,b random integers, p prime, N number of shingles, and p > N.
- Fixed a bug causing not all candidate pairs to be saved.