Fixed a bug with SP logic that caused VICE test repository cia-int tests to fail.
Fixed a bug with the CIA SP output that was bringing the IRQ pin low when byte wassent regardless of the mask value in the IMR. Thanks Krill for the bug report and pointing me in the right direction to fix this.
Fixed some of the Fast Serial bugs that were introduced in 5 May 2018 release. C128 version of JiffyDOS ROMs function correctly again when using1571 and 1581 drives.