One more day of hacking:

- FEATURES: updated
- tests/numbers/Makefile.am tests/numbers/format-number.*
  tests/Makefile.am configure.in: added number formattting
  test from Bjorn
- libxslt/attributes.[ch]: separated attribute support, started
  add support for attribute-sets
- libxslt/functions.[ch]: update for number and formatting
  from Bjorn
- libxslt/transform.c libxslt/xslt.c libxslt/xsltInternals.h:
  cleanups updates, etc ...
Daniel