implementation details inside the ucnhash module.
also cleaned up the unicode copyright blurb a little; Secret Labs'
internal revision history isn't that interesting...
originally submitted by Bill Tutt
Note: This code is actually going to be replaced in 2.0 by /F's new
database. Until then, this patch keeps the test suite working.
New ucnhash module by Bill Tutt. This module contains the hash
table needed to map Unicode character names to Unicode ordinals
and is loaded on-the-fly by the standard unicode-escape codec.
Fredrik Lundh