Changed minsize to getminsize.

Added altgetmatrix (better but incompatible).

*** Somehow the call to printobject was changed back to fwrite?!?! ***

call dict2lookup insteead of dictlookup.

Lots of small bugfixes (lint!).
Made bgn_group and end_group form methods instead of top-level functions.

wholly empty lines interactively.

For the latter we must keep track of the current block's type.
(We can't continue through a try statement, sigh.()

from C.