- Use python[23]-libmxl2 as python names not python-libxml2-python
which is kinda confusing

- Do not ship libtool archive anymore

- Enable tests also in the python subpackages

- Added a new configurable variable XPATH_DEFAULT_MAX_NODESET_LENGTH
to avoid nodeset limit when processing large XML files [bsc#1135123]
* Added libxml2-make-XPATH_MAX_NODESET_LENGTH-configurable.patch

- Merge python-libxml2-python spec and changes files into the
libxml2 ones using _multibuild [bsc#1126499, bsc#1123919]

- Add libxml2-python3-string-null-check.patch: fix NULL pointer
dereference when parsing invalid data (bsc#1065270
glgo#libxml2!15).).
- Drop patch python3.6-verify_fd.patch merged upstream
- clean with spec-cleaner

- libxml2-python3-unicode-errors.patch: work around an issue with
libxml2 supplied error strings being undecodable UTF-8 (bsc#1065270)

- convert to singlespec, build a python 3 version
- change build instructions to use setup.py (and %python_build macros)
instead of makefile-based approach
- add python3.6-verify_fd.patch that fixes libxml2 on python 3.6
- rename to python-libxml2-python to conform to package naming policy
(PyPI name is "libxml2-python")