Support combined file extensions (*.pau.gz instead of just *.gz)
add Pauker Lesson Importer
support LearnedTimestamps and flipped cards
fix HTML in cards
workaround for filter tree onclick not working (#729)
Merge pull request #16 from frostschutz/import_pauker_xml

Pauker Lesson Importer
Merge pull request #17 from frostschutz/browser_tree_onclick

workaround for filter tree onclick not working (#729)
Merge remote-tracking branch 'dae/master' into flake

Conflicts:
	anki/importing/__init__.py
	aqt/browser.py
Re-clean a bit.
Flake8 clean-up of the new importer.
Quick-fix double-extension SNAFU.
Flake clean-up.
May be re-cleaning or cleaning for some new changes.