Version 2.0.8

• Bump PHPCS compatibility tests to new PHP 5.6+ minimum [#295]
• Update site empty feature to handle sticky posts [#290]
• Bump Travis CI OS from trusty to xenial [#288]
• Enforce PHP 7.4 compatibility in Travis CI [#287]
• Fix Travis CI sudo warning [#286]
• Update site empty command to include removal of wp_links table data [#284]