0.3.0:
- improved performance of old KMP searching functions (minor)
- changed behaviour for empty patterns
- changed return type to [Int] for KMP matching in strict BS
- improved performance of old BM searching functions
- (minor speedup for ordinary searches, major improvement for worst case)
- added new functionality,
- breaking, splitting and replacing
- new algorithm (DFA)
- simultaneous search for multiple patterns (KarpRabin)