WeasyPrint now depends on cssselect2 instead of cssselect and lxml.
New features:
- #57: Named pages.
- Unprefix properties, see #498.
- Add a "verbose" option logging the document generation steps.
Bug fixes:
- #483: Fix slow performance with long pre-formatted texts.
- #70: Improve speed and memory usage for long documents.
- #487: Don't crash on local() fonts with a space and no quotes.
