0.3.0 [2017-11-03]

• [models] Avoided possible double insertion in Base.save
• [requirements] pyopenssl>=17.1.0,<17.4.0
• [admin] Fixed preformatted look of certificate and private-key fields
• [models] Allow importing certs with invalid country codes
• [models] Allow importing certificate with empty common name
• [tests] Updated data for import test to fix pyOpenSSL issue
• [models] Renamed organization field to organization_name