docs: state that pull parsers were added in lxml 3.3
minor doc fix
prepare release of lxml 3.3.1
add missing file to MANIFEST.in
Added tag lxml-3.3.1 for changeset 958bfe4b6411
fix typo in setup.py
add more optional deps
remove flattr button
use dedicated immutable mapping type for empty immutable mappings instead of DictProxy to provide the complete MutableMapping API
changelog
fix tests for win32 - local paths are NOT URLs

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extra : rebase_source : 48a48c732d63f466b845af1ebf6e27091405fc16
python 3 fixes

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extra : rebase_source : 7bee297054a17cee778109cd465625870e2af8eb
clean up test changes
clean up test changes
safety fixes in tests
show in parser docs where StringIO is coming from
Bug fix for https://bugs.launchpad.net/lxml/+bug/1185332.

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extra : rebase_source : a1997c984a10a5d575bae264e9b1fd81407881b9
whitespace
fix PyType creation when name is a bytes object, minor cleanups
minor code cleanup