Merge branch 'fix/2-phpcs-phpunit' into 'master'

Unit tests and coding standards

Closes #2 and #3

See merge request !3
8 jobs for master in 3 minutes and 16 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #3775
PHPCS

00:00:31

passed #3769
PHPunit:PHP5.3:MySQL

00:02:38

passed #3770
PHPunit:PHP5.6:MySQL

00:01:25

passed #3771
PHPunit:PHP7.0:MySQL

00:01:24

passed #3772
PHPunit:PHP7.1:MySQL

00:01:22

passed #3773
PHPunit:PHP7.2:MySQL

00:01:20

passed #3774
PHPunit:PHP7.3:MySQL

00:01:15

 
  Deploy
passed #3776
PluginSVN

00:00:36