Added "verxy" to app_quill/misc.

There are routines like it all over the code base.
Added 'dictable filter' to dictable(n)

Filters a table by patterns applied to the keys.
Added 'quill basekit' tool.

The 'quill basekit' tool is responsible for managing the cache of local
basekits.  There is a lower-level module, basekit.tcl, that does the
actual work.