Kairyou

Kairyou and Indexer now default to getting rid of the ner object after use to save memory, this is toggleable but defaults to true

This mechanism can be changed in calls to Kairyou.preprocess() and Indexer.index()

**Full Changelog**: https://github.com/Bikatr7/Kairyou/compare/1.6.5...1.6.6

Fixed bug with honorific processing, move to 1.6.5, introduced space correction post process.

**Full Changelog**: https://github.com/Bikatr7/Kairyou/compare/1.6.4...1.6.5

Added hyphen post-processing correction for Kudasai json type

**Full Changelog**: https://github.com/Bikatr7/Kairyou/compare/v1.6.3...v1.6.4

Specified exact spacy version for package.

**Full Changelog**: https://github.com/Bikatr7/Kairyou/compare/v1.6.2...v1.6.3

Introduced countermeasures to prevent excessive loading of SpaCy package to offset potential memory leaks.

Noticed in:
https://github.com/explosion/spaCy/discussions/9369

and

https://github.com/Kakusui/kakusui-org/commit/cc4e15545282ef62be8b6472e7597be972143e6a

**Full Changelog**: https://github.com/Bikatr7/Kairyou/compare/v1.6.1...v1.6.2

Better error handling for attempting to run Kairyou without spacy's ja model installed.