add name map support for supervised states
change tracksinfo to XML but leave interface unchanged
do away with tracksino class.  fold it into trackList instead
add some track parameters.  add support for binary tracks.  move some logic from trackload to bed read as kwargs optoins.
add some little scripts to munge bed files
dont automatically cast state to in in bedread
change sort to be optional and off by default in bed interface
Add a bunch of logging messages
fix bug where len of binary category map was always 0
add some logging messages
add yet more logging
change interface for supervised train.  namely merge contiguous truth intervals to avoid overslicing.  also do state name mapping before data added to model.