Merge pull request #5 from minichate/use-valid-semver

Use valid semver -> 1.4.4

Merge pull request #5 from minichate/use-valid-semver

Use valid semver -> 1.4.4

Merge pull request #4 from minichate/bump-version-1.4.3.9

Bump version to 1.4.3.9

Merge pull request #3 from minichate/upgrade-tether

Upgrade tether to 1.4.4

Bump version

Bump to 1.4.3.6

Guard against this.drop not existing

If the element gets destroyed before the handlers get removed there are
exeptions thrown complaining about `el.classList`. This is because
`destroy()` sets `this.drop` to `null`.

A null-guard should protect against this case.

Guard against this.drop not existing

If the element gets destroyed before the handlers get removed there are
exeptions thrown complaining about `el.classList`. This is because
`destroy()` sets `this.drop` to `null`.

A null-guard should protect against this case.

Guard against this.tether.enable not being defined

Update from path