changelog update
revert extra spaces
remove phpunit tests which fail on Travis for now
release v4.0.2
Merge pull request xwp#1523 from xwp/release/4.0.1 Release `4.0.1`
Get readme changelog in sync with release changelog
Merge pull request xwp#1472 from xwp/release/4.0.0 Release 4.0.0