v2.5.8

- Added string helpers: `isBlankChar`, `isBlankCodeUnit`, `hasBlankChar`, `hasBlankCharInRange`.
- IO: `catFile`, `catFileBytes`, `saveFile`, `saveFileBytes`.
- `InteractionCompleter`: `cancel`
- `MimeType``: equals and hashcode.
- Added: `isEqualsList`, `isEqualsMap`.