v0.7.1-RC2

• be220b0 - [CMS-590] check for WPSCAN_API_TOKEN constant:
• fbb8406 - Add allow-environments config too
• 09ed4e8 - Spaces inside parens
• b5684a5 - Consistency with quotations
• c99c54c - Allow access to PANTHEON_WPVULNDB_API_TOKEN if WPSCAN_API_TOKEN is not defined
• e5b10f8 - Support multiple PANTHEON_WPSCAN_ENVIRONMENTS
• 8aebfba - Build phar on this branch (commit to be removed)