draft for ds-based seq abstraction
move data subpatch into abstraction and change all references to $1
rename 'step' method to 'next'
fix bug with activated cell: reset [sel]
fix bug with increasing offset (send 'next' at turn-around)
worked some more on help
add 'skip' method; fix hard-coded y-size in sequencer
add draft for cursor
auto rewind (because of scalar pollution); adjust cursor size; rewind on creation
move data container outside abstraction (allows parent to save dimension)
add netpd metatags
add META tags
add 'step' indicator
make example melody nicer
clear scalars before saving