Fix blast accuracy for level 20 solution (#518)

Add a fancy solution to level 20 (#517)

Update validate.js to fix #516

Revert "prevent undefined objects (#471)" (#515)

Update AB_5_PathOfDoom.md (#512)

Add a DOM bonus level (#513)

update google analytics tag

Update 18_superDrEvalBros.md (#511)

update homepage

Fix death workflow (#509)

Remove solution that no longer works following #503 (#506)

Fix unclosed quote (#507)

Add another solution to AB_1_ANewJourney.md (#508)

Don't disable tamper checking once super menu is enabled (#503)

Update 04_theGuard.md (#504)