Fixed type error in argument of newopenfileobject.

Added getlongobjectarg.

Free config object used to get sample width.

Added splitext

Integrated with stdwinq.

Keyboard focus policy
more?

Keyboard interface

minsize --> getminsize.
Added 'boxed' option.
Added lost of code to realize (?)

Added keyboard downcalls.
(I mean keyboard focus policy and activate/deactivate)

Changed minsize to getminsize.