new feature: load xxx.pse FILTER "DOCACHE"
-- specifically for editing large PSE files when included in a state
-- caches streamlined file that is still readable by PyMOL (needs testing!)
(no electron density map data, for instance -- see HupA_2.pse)
-- caches all isosurfaces, creating JVXL equivalents
-- should be followed with WRITE xxx.pngj or WRITE xxx.jmol or WRITE xxx.zip
-- for example:
04/07/2013 07:46 AM 11,929,507 HupA_2.pse