testkit: Update to v1.21
testkit: Update to v1.20
testkit: Update to v1.19
testkit: Update to v1.18
testkit: Update to v1.17
testkit: Update to v1.16
testkit: Update to v1.15
Update to v1.14
testkit: Update to v1.13
floppy: Read test map header should be at fixed absolute location. Fixes #27