* m_Do_main mostly matching for Wii versions

* Use machine-specific PCH for all m_Do TUs

* struct JASWaveArc forward declare fix

* JASAramStream::THeader improvement

* sizeof/offsetof unhardcodings

* JAudio field name/comment pass

HUGE thanks to XAYRGA for their work documenting JAudio file formats

* Some more names

* More names

* More minor names

* Attempt to fix regressions

* Z2Audio player debug work

* fix actor method returns

* wii build fix

* Wrap >4-char literals in a MULTI_CHAR macro

Modern compilers do not support CW's non-standard behavior with
>4 char literals. We can, however, use a constexpr function to
compute the u64 values directly. This leaves <=4 char literals
unchanged.

* Replace non-pointer usages of NULL with 0

* Define NULL to nullptr on C++11 and above

* Fix more -Wpointer-arith and -Woverflow warnings

* Replace u32/s32 with uintptr_t/intptr_t where appropriate

* JSUOutputStream: Overload all standard int types

* Fix 6-byte multichar literals

* Add `struct` to `e_ga_class::ga_s`

* Fix remaining wrong forward declares (struct/class)

* Replace `#include <string>` with `#include <cstring>`

* Guard FLT_EPSILON define to prevent redefinition

* Add missing `#include <cstring>` for direct cstring function usage

* m_Do debug

* m_Do wii data

* move math to cmath

* replace stdarg to cstdarg

* change stdint to stdint.h

* minor fixes

* change stdio to cstdio

* change stdlib to stdlib

* renamed ctype to cctype

* fix missing argument for UNSET_FLAG