Add "-feature" warnings
Conquer parameterised types!
Implement Global, refactoring PadDynamics along the way
Implement AllMemory
Flesh out the skeletal SysexDump.

The sysex dump is now fully read... it just is not yet used
to populate the content of the appropriate model data structures.

I feel SysexDump should be in a separate package from model, too...
Make File->Open do something (not "work", though)