EM400 v0.4.0

• CPU emulation speed can now be set to match the real hardware
• sound support (ALSA and PulseAudio)
• binary load
• support for MERA-400 cpu on an FPGA
• new configuration file syntax (.ini style)
• universal user interface API
• CPU emulation fixes and improvements (mainly edge cases)
• minimal 8 inch floppy support
• new MULTIX emulation (yes, again)
• logging improvements
• new test infrastructure, many additional tests