add prelimary support for pcolor()
simplified surf() plotting using table{}
further simplification of surf() plots
attempt at proper support for explicit color specification
further simplifciation of surf() plots
handle the case of more ticks than tick labels
getting explicit color specification to work
some cleanup
legend fix for octave
another legend fix for octave
a bunch of small octave fixes
simplified data printing at several spots
improved text positioning for 3d
some cleanups
more coordinates{} -> table{}
add test function for hg transformations
add basic support for hg transformations
legend fixes for hggroups
some cleanups
updated year to 2013