Fuse for macOS 1.5.4 Released

Version 1.5.4 of the ZX Spectrum and related machines emulator Fuse for macOS has been released.

Miscellaneous improvements:

• Save SCR from current display file (thanks, Einar Saukas) (Fredrick Meunier).
• Use 44.1KHz as default sound frequency (Fredrick Meunier).
• Fix TC2048 and TC2068 timings regression (Sergio Baldoví).