==============
modisco
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- Add final_flank_to_add with default 0 to add padding to patterns at the
end of the procedure.
- Set default parameters for initial_flank_to_add to 10 and trim_window_size
to 30. This sets the window size for patterns to be 50 instead of 30.
- Add more command line arguments to expose seqlet lengths and flanks,
initial pattern lengths and flanks, and final flank additions.