v1.2.0

ADDED

• Support for Base APIs
• New environment variable for capturing individual querystring parameters:
  $MOCK_REQUEST_QUERYSTRING_FOOBAR
• Enable plaintext responses to use mock variables, such as:

mock serve --route foo/bar --response 'Url: ${MOCK_REQUEST_URL}'

• Enable individual request headers to be read through environment variables
  such has MOCK_REQUEST_HEADER_FOO_BAR