v3.9.0

Release version 3.9.0 of the npm package.

v3.8.1

Release version 3.8.1 of the npm package.

v3.8.0

Release version 3.8.0 of the npm package.

v3.7.1

Release version 3.7.1 of the npm package.

v3.7.0

Release version 3.7.0 of the npm package.

v3.6.2

Release version 3.6.2 of the npm package.

v3.6.1

Release version 3.6.1 of the npm package.

v3.6.0

Release version 3.6.0 of the npm package.

v3.5.0

Release version 3.5.0 of the npm package.

v3.4.2

Fix MultiTransformIterator not destroying transformers on close

This was discovered in comunica/comunica#950

This may also be the root-cause of comunica/comunica#989