* obj: Make field tracking use a single bitset
* obj: module: fix comment
* obj: Move `Platform` state and `InitOptions` fields into `core.windows`, initial push, only triangle example working on macos currently
* obj: `get` and `getValue` (renamed `getAll`) now do not return optionals, comment revisions, `device` is no longer optional, `native` is optional
* core: Lots of cleanup of unnecessary comments
* core: `Event`s now all contain `window_id`, darwin/windows: event functions now send window id
* core: comments, examples: fix `core-custom-entrypoint`
