* DHooks: Allow setting CBaseEntity* param to NULL #1751
The param had to be a valid entity and wasn't allowed to be set to NULL. Behave similar to SetReturn which maps INVALID_ENT_REFERENCE (or -1) to NULL.
* Update include documentation
* Update dhooks.inc documentation for consistency
- Modifies whitespace (change tabs to spaces for non initial indents, fix alignments, create consistency with rest of SM docs)
- Change `/*` to `/**` for consistency and to indicate comment doc
- Removes incorrect `@noreturn` doc
* Split long comments across multiple lines
* Remove `@noreturn` in IGameConfigs.h
* Remove `@noreturn` from IGameHelpers.h
* Remove `@noreturn` from asm.c
* Add `@noreturn` to ThrowError
* Add `@noreturn` and `@error` to ThrowNativeError
