I'm using Tab.js with remove function and get an error "TypeError: container is undefined [more info]", with this check the error is fixed.

in particular, no need to use originEvent, and preventDefault() only needed for touch events

these may also be the cause of weird behavior in Chrome/Surface, where scrolling vertically triggers slide advance

adds the ability to assign data-interval to an individual carousel-item

see: https://github.com/twbs/bootstrap/issues/26847
in v4, destroy was replaced by dispose

* Improve code coverage for our Button plugin

* improve coverage for our Alert plugin

* test tooltip update method

* test update and dispose for dropdown

* increase code coverage requirements

* update docs path from docs/4.0/ to docs/4.1/

* bump version to 4.1.0

* Update redirects to work for 4.1 docs move

* Update docs version switcher to include latest and link to 4.0 docs

* re-run dist

* Update package-lock.json

* Update docs-navbar.html