Iscc-core

- Added `KY` and `MM` to valid prefixes
- Added support to check for compiled extension modules
- Added universal wheel distribution

- Fixed missing `jcs` dependency
- Added SubType `NONE` to MT.ISCC to distinquish from SUM
- Added support for deterministic generation of random ISCC-CODEs
- Added support for custom bit-sizes for random ISCC-CODEs
- Moved changelog into separate file
- Updated dependencies

- Updated dependencies
- Added Flake.from_int and Flake.from_string
- Made Flake comparable and hashable
- Use standard hex encoded multihash for datahash and metahash

- Update to iscc-schema 0.3.3
- Change image normalization instructions
- Fix issue with exporting cdc cython only functions

- Cleanup and update dependencies
- Fix bitarray api change
- Fix developer commands

- Complete API refactoring
- Use Data-URL as input for Meta-Code
- Use wallet address for ISCC-ID creation
- Added new Flake-Code (distributed time/random ID)
- Replaced assertions with exeptions
- Use secure random functions
- Retired Python 3.6 support (EOL)
- Return simple `dict` objects from generator functions
- Added ISCC string validation
- Added multiple helper functions