Add an array_filter_nulls method

Reference v0.35.0 in the README

Bump to v0.32.0

Bump to v0.31.0

Bump to v0.30.0

Version bump to 2.4.0_0.29.0

Bump to v0.28.0

Bump to v0.27.0

Add a spark-fast-tests version that works on my machine

Add a table to show the compatible Spark versions by spark-daria version