From the release notes:
- Implemented const folding for integer and float operations.
- Added support for injecting crack function body code from an extension.
- Added the foundations of support for module caching.
- Added functors.
- Added an 'ascii' module supporting functionality specific to ASCII data.
- Added a module for dealing with numeric arrays.
- Migrated modules out of crack.exp, removed obsolete modules.
- Implemented "const" variables.
- Implemented access protection.
- Implemented abstract methods.
- Converted all unit tests to "screen"
- Lots of bug fixes and small enhancements.
