Made the output of test suite logs appear when VECHO
Added Doxyfile to the ignore-list since it is now generated on-the-fly.
Added audio/MIDI output/input list getters and MIDI device list getter.
Improved the dependencies further, forcing the user to handle CPP-check warnings.
Added some more filters for .graph and .cppcheck files.
Started to experiment on use cases to implement black-box tests for.