Xmltodict

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* Revert "Ensure significant whitespace is not trimmed"
* This changed was backwards incompatible and caused downstream issues.

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* Drop support for Python older than 3.6
* Additional ruff/Pyflakes/codespell fixes.
* Thanks DimitriPapadopoulos!

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* Drop old Python 2 support leftover code and apply several RUFF code health fixes.
* Thanks, DimitriPapadopoulos!
* Add Python 3.11, 3.12 and 3.13 support and tests.
* Thanks, angvp!
* Tests in gh-action.
* Thanks, almaz.kun!
* Remove defusedexpat import.
* Thanks, hanno!
* Replace deprecated BadZipfile with BadZipFile.
* Thanks, hugovk!
* Support indent using integer format, enable `python -m unittest tests/*.py`.
* Thanks, hiiwave!
* Ensure significant whitespace is not trimmed
* Thanks, trey.franklin!
* added conda installation command
* Thanks, sugatoray!
* fix attributes not appearing in streaming mode
* Thanks, timnguyen001!
* Fix Travis CI status badge URL
* Update push_release.sh to use twine.

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* Add install info to readme for openSUSE. (205)
* Thanks, smarlowucf!
* Support defaultdict for namespace mapping (211)
* Thanks, nathanalderson!
* parse(generator) is now possible (212)
* Thanks, xandey!
* Processing comments on parsing from xml to dict (connected to 109) (221)
* Thanks, svetazol!
* Add expand_iter kw to unparse to expand iterables (213)
* Thanks, claweyenuk!
* Fixed some typos
* Thanks, timgates42 and kianmeng!
* Add support for python3.8
* Thanks, t0b3!
* Drop Jython/Python 2 and add Python 3.9/3.10.
* Drop OrderedDict in Python >= 3.7
* Do not use len() to determine if a sequence is empty
* Thanks, DimitriPapadopoulos!
* Add more namespace attribute tests
* Thanks, leogregianin!
* Fix encoding issue in setup.py
* Thanks, rjarry!

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* Allow force_commits=True for getting all keys as lists (204)
* README.md: fix useless uses of cat (200)
* Add FreeBSD install instructions (199)
* Fix and simplify travis config (192)
* Add support for Python 3.7 (189)
* Drop support for EOL Python (191)
* Use Markdown long_description on PyPI (190)
* correct spelling mistake (165)
* correctly unparse booleans (180)
* Updates README.md with svg badge

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* Determine fileness by checking for `read` attr
* Thanks, jwodder!
* Add support for Python 3.6.
* Thanks, cclauss!
* Release as a universal wheel.
* Thanks, adamchainz!
* Updated docs examples to use print function.
* Thanks, cdeil!
* unparse: pass short_empty_elements to XMLGenerator
* Thanks, zhanglei002!
* Added namespace support when unparsing.
* Thanks, imiric!