behat: extract compareTables() helper
Correct `wp user add-role` example
Merge pull request #675 from trepmal/patch-1

Correct `wp user add-role` example
add support for PsySH in `wp shell`

also, replace Boris as suggested package
Merge pull request #640 from wp-cli/psysh

Support PsySH in `wp shell`
Merge branch 'master' into no-wp-admin
check for updates in {plugin|theme} list