1.4.0

• Added support for custom inputs. You may set up custom inputs from your
  account portal.
• Updated the docs for MaxMind\MinFraud\Model\Address now that
  isPostalInCity may be returned for addresses world-wide.
• The firstSeen was added to the Email response model. session_age
  and session_id inputs were added to device input validation.
• Added the following new values to the payment processor validation:
  • american_express_payment_gateway
  • bluesnap
  • commdoo
  • curopayments
  • ebs
  • exact
  • hipay
  • lemon_way
  • oceanpayment
  • paymentwall
  • payza
  • securetrading
  • solidtrust_pay
  • vantiv
  • vericheck
  • vpos