Add support for xmlSecTmplTransformAddC14NInclNamespaces

[neoecos]

Hi,

For consuming a SOAP WebService with required Signature, the Transform should contain a InclusiveNamespaces tag, as defined in the EXC_C14.

Those call aren't implemente yet in the python-xmlsec wrapper.

[bgaifullin]

Released in version 1.0.9

[bgaifullin]

http://pythonhosted.org/xmlsec/modules/template.html#xmlsec.template.transform_add_c14n_inclusive_namespaces