In this release:
- Support Python 3 added.
- Support for Python 2 dropped.
- Hosting documentation on ReadTheDocs.
- Added CI.
- Dropped SWIG dependency.
- Added unit tests.
- Dropped `tssv_lite` entry point.
- Reverted to vanilla alignment implementation.
- Made SSE alignment optional for use on old computers.
- Made regular expressions in the library optional.
- Output format follows input format (either FASTQ or FASTA).
- Added simple mismatch command line option.