Changes by: Brian Emre Aydemir (baydemir at cis.upenn.edu)
Date: 2002-08-27 12:30:46 -0700 (Tue, 27 Aug 2002)
Revision: 3826
Log message:
An initial pass at implementing the union of two interval sets.
I still need to clean up the conversionals somewhat, and then debug
them. Fun.