ochre-redux

Copperbox revision 2986.

A new experiment remaking the Ochre / Orca monad so it is more comfortable for developing DX7 style algorithms.

The many feature is a kind of late binding implemented via type classes, this intends to regularize the input parameters to components (so they can be composed) - and hide some of the tedious details (such as the table number references needed by FM phasors).