- RagePhoto.c: define WIN32_LEAN_AND_MEAN and VC_EXTRALEAN
- README.md: update documentation links
- wasm.cmake: assume CMake 3.16 or newer being used by default
- WincvtTest.c: update copyright year
- get functions do not return NULL or nullptr anymore
- serializer checks for valid references to not crash
- tight buffers do not prematurely end writing anymore
- add zeroBuffer function for future nullbyte insertions
- IconvTest.cpp: remove some C-style casts
- RagePhoto.cpp: improve initializer reliability
- RagePhotoA.hpp: throw error when instance could not be allocated
- README.md: minor markdown fix