pointlist: opaque mem pointer rather than readonly attribute
pc_patch_uncompressed_readonly: transfers data ownership
pc_pointlist_from_dimensional: 1 pcalloc/patch rather than 1/point
* Remove unused function in pc_patch_ght.c
* Remove unused vars in pc_patch_lazperf.c
* Remove unused vars in cu_pc_patch_ght.c
* Remove unused vars in cu_pc_point.c
* Remove unused vars in cu_pc_bytes.c
Print an error if it does, and use pcerror from within the function
to reduce the likelihood of returning NULL w/out an actual error.
Fixes the crash reported in #31
fix the pcpatch storage declaration (oops)
don't bother to free the trees you instantiate
because it takes more time than just letting
the memory manager get them in bulk at the
end of the query
