zpool: make unchecked column accessors public

This satifies the usecase where the user is storing many AddressableHandles instead of full fat Handles to save space and can guarentee their validity.

Co-authored-by: Anders Elfgren <srekel@gmail.com>
Co-authored-by: Giuseppe Modarelli <giuseppe.modarelli@gmail.com>

Update README.md

zbullet: Tiny progress.

Merge pull request #24 from hazeycode/main

win32.d3d11 more bindings (2)

bullet_physics_test: Docs.

cbullet: SetUser[Index|Pointer] for collision shapes.