* Add `ArrayVector` class template and tests
* Fix counting of failed test suites
* Support detuning and panning with Sf2 Player
* Restrict panning to supported FluidSynth versions
* Fix data array cast type
* Fix tests for Qt<5.10 and correct mistaken test
* DIsplay warning for FluidSynth < 2
* Remove unnecessary clamp
* Update include guard name
