Fixed the stubs for type tools.
What's Changed
- Upgrade version number. by @Narsil in #551
- Revert "Upgrade version number. (#551)" by @Narsil in #552
- Memory map as private pure copy. by @Narsil in #553
- Fixing the stub by @Narsil in #554
Full Changelog: v0.5.0...v0.5.1