Use game controller APIs instead of the joystick ones to be able to use
the gamepad button DB file.

Changes to character rigging. Also CMake now respects ini-config
structure (although in the future, the lib file should be used. Check
installation in CMake for macOS/*NIX).

Define separate package for config code.

Separate MIDI utils into its own package.

Correctly include portmidi in tests.

Use abstraction instead of using SDL dependencies.

Include _s wrappers for most standard function calls.

Add templates for config item types.

Also updated server's config to use the global config module.

Remove symlinks and make codebase use common modules instead.

Update documentation.

Update identifiers to be consistent.

Make server optionally have a mountpoint for putting assets.

Attempt to connect client to server.

Add tests for initialization and teardown for all input methods.

Correctly dereference pointers.

Declare memory before processing.

Use short names for int types.

Provide default states for input and output.

Allow MIDI input to be filtered through MIDI channels.

Restrict Yes/No actions in same 2-octave span.

The game now uses MIDI support for alternative input methods.