Merge branch 'bump-wp-compat' into 'master'

Bump WP compatibility

See merge request !15
8 jobs for v0.2.1 in 2 minutes (queued for 4 seconds)
Status Name Job ID Coverage
  Test
passed PHPCS #9372

00:01:24

passed PHPunit:PHP5.3:MySQL #9366

00:01:37

passed PHPunit:PHP5.6:MySQL #9367

00:01:08

passed PHPunit:PHP7.0:MySQL #9368

00:01:05

passed PHPunit:PHP7.1:MySQL #9369

00:00:58

passed PHPunit:PHP7.2:MySQL #9370

00:01:00

passed PHPunit:PHP7.3:MySQL #9371

00:01:04

 
  Deploy
passed PluginSVN #9373

00:00:22