Add gtk:tree-store-items-count, gtk:tree-store-item
drwxr-xr-x - doc
drwxr-xr-x - gdk
-rw-r--r-- 13977 generating.lisp
drwxr-xr-x - glib
drwxr-xr-x - gtk
-rw-r--r-- 16740 subclass.lisp
-rw-r--r-- 11895 subtest.lisp