Speedups in colors.py, bugfix in axes.py 2-D plot support
Added Axes.set_use_none_as_default_unit()
include pupynere.py
update
run ccsm_popgrid
include for reading netcdf data.
use pupynere
fixed a minor bug in axes.py
Replace old spy and spy2 with new spy (briefly called spy3)
Make plot handle 2-D x and/or y