Changelog:
* Added an ability to disable the automatical arpeggio
* Updated the GENS chip emulator from the 2.10 into GS/II (thanks to @freq-mod for the help)
* Added an ability to set number of loops
* Added an ability to disable/enable playing of selected MIDI channels
* Fixed memory damages and crashes while playing XMI files
* Added the chip channels allocation mode option
* Fixed the playback of multi-song XMI files
* Added an ability to switch the XMI song on the fly
And also:
* Fixed the work on big endian processors
* Fixed ARM64 build on some platforms
* Improved support of the EA-MUS files (Thanks to [dashodanger](https://github.com/dashodanger))
* Fixed crash on attempt to change the volume of a blank note
