0.13.0

Added

• New rocket art available using art rocket. (#1148)

Changed

• All Terminus\Models\Collections namespaces have been changed to Terminus\Collections. (#1162)
• Makes API calls to host 'terminus.pantheon.io' instead of 'dashboard.pantheon.io' (#1180)

Removed

• The command site set-drush-version has been removed. Please set your Drush version in your pantheon.yml file. (See: https://pantheon.io/docs/drush-versions) (#1190)