This operates mainly in the way suggested by: 

http://www.openplans.org/projects/opencore/transcluder


Running Tests 
-------------

nosetests --with-doctest 
(from this directory or the transcluder directory) 


URI Templates
-------------

uri templates recognize the following variables: 

request.url 
request.scheme
request.host
request.port
request.path
request.params
request.query 
request.fragment


Todo
-----

fetching external resources
caching headers 
conditional get 
any additional merging behavior 
factor out duplication of deliverance code ?