They were disabled because they failed to build,
but this patch set fixes the build on Linux and macOS.

This doesn't apply to the AppVeyor build on Windows yet;
it currently fails at linking with OpenAL.

Some people might find this handly

Now works in WEB!

Related to UpdateMusicStream(), in stb_vorbis

Detected a VERY weird code behaviour... :(

Render wave in a render target
Implemented combo system
Removed big useless audio (fxWave)