TODO

# - dexter executable argp
# - html:document
# - output raw xslt
# - define stable c api
# - p/br support explicit
# - p/br support needs div?!
# - parsley_parse_url support
# - ruby binding for parsley_parse_url
# - relative urls
# - p/br support needs multicase handling
# - reorganize project (at least tests, makefile.am src?!)
# - unfilter inside of nested explicit scope
# - functions inside magic groups?!?!
# - shortcut functions possible	(need c hash table)
# - fix position()
# - regexp tests
# - define a bunch of shortcut functions
# - rescope function
# - sensible Exception/error handling
# - join function?!?!
# - check linux build
# - python
# - complain if empty / runtime no-match errors
- memory leaks
- thread-safe exceptions

--------- release --------

- no-prune
- force group key !
- debugging options
- fix not()/set-difference
- CSS equations
- saxon compatibility?!
- XML input converter?!
- check windows build
- flags?! 
		^ - force group-before
		$ - force group-after