Seqscore

* Added the `extract-text` subcommand
* Added support for multiple files for the `count`, `summarize`, and `validate` subcommands
* Changed behavior when combining type mapping and keep/remove types in `process` to apply the map first
* The `--labels` flag now defaults to BIO for many subcommands
* Corrected BIOES validation and decoding
* Dropped support for Python 3.7

**Full Changelog**: https://github.com/bltlab/seqscore/compare/v0.5.0...v0.6.0

* Add `process` command
* Add `summarize` command
* Add `--error-counts` and `--full-precision` flags to `score` command
* Improve performance for loading and validating files
* Add support for quiet flag in `validate`

**Full Changelog**: https://github.com/bltlab/seqscore/compare/v0.4.1...v0.5.0

* Add `--version` flag to main `seqscore` command

**Full Changelog**: https://github.com/bltlab/seqscore/compare/v0.4.0...v0.4.1

* Add support for Python 3.7.
* Improve README and explain more commands
* Fix token counts in the validate subcommand

**Full Changelog**: https://github.com/bltlab/seqscore/compare/v0.3.1...v0.4.0

**Full Changelog**: https://github.com/bltlab/seqscore/compare/v0.3...v0.3.1