Merge pull request #341 from domino14/revert-js

temporary fix of #340

Merge pull request #335 from domino14/osps41

trying to add osps41

Merge pull request #327 from domino14/django-2.2

upgrading to django 2.2

Merge pull request #326 from domino14/feature/xxx/ignorance-is-bliss

Add an option to hide errors

Merge pull request #324 from domino14/update-build-stack

Update build stack

Merge pull request #319 from domino14/fix-wrong-answers

Fix wrong answers

Merge pull request #318 from domino14/fix_polish_again

fixing polish dictionary to be OSPS40

Merge pull request #316 from domino14/add-wrong-answers

Add 'wrong answers' feature

Merge pull request #315 from domino14/remove-america

remove America, fix issue with delenda

Merge pull request #311 from domino14/feature/308/new_lexica

fix an auto_now issue with SavedList and the migration