Optimizations and refactoring
This release is primarily to provide some optimizations and cleanup on the code used in fmlrc2
- includes a change to remove unnecessary logic fork from rank(...) calls in the index bit vectors
- includes some streamlining in string_util to reduce run-times
- removed unnecessary memory copies from Levenshtein tie-breaking algorithms in read_correction.rs
- various other minor optimizations and delinting / making clippy happy
- updates to the version of needletail and triple_accel