* Adds a MessageViewer window to Developer Tools.
* Properly destroys message viewer window.
* Adds missing ImGui::End()
* Fixes an oopsie crashing non-windows builds after first run.
* Adds C ABI for displaying a custom message
* Fixes a crash and an issue with messages with SFX.
* Remove some osSyncPrintf's that aren't very useful for this case.
* add safe string copy method
* use string copy for save manager
* use string copy in spoiler log hint parsing
* remove intermediate string vars
* more string copy use in randomizer methods
* use string copy in gameplay stats
* add load char array method to remove string intermediate var
* try string.h import instead
Christopher Leggett