What's Changed
* fix: future exception never retrived problem (144) by Rebzzel in https://github.com/Krukov/cashews/pull/145
* allow to cache exceptions (simple, hit, early) 143 by Krukov in https://github.com/Krukov/cashews/pull/146
* get number of all keys by Krukov in https://github.com/Krukov/cashews/pull/147
**Full Changelog**: https://github.com/Krukov/cashews/compare/6.1.0...6.2.0