* allow multiple values per key in name fields in openssl_certificate
* check correct side of comparison
* trigger only on lists
* add subject parameter to openssl_csr
* fix key: value mapping not skipping None elements
* temporary fix for undefined "subject" field
* fix iteration over subject entries
* fix docs
* quote sample string
* allow csr with only subject defined
* fix integration test
* look up NIDs before comparing, add hidden _strict params
* deal with empty issuer/subject fields
* adapt integration tests
* also normalize output from pyopenssl
* fix issue with _sanitize_inputs
* don't convert empty lists
* workaround for pyopenssl limitations
* properly encode the input to the txt2nid function
* another to_bytes fix
* make subject, commonname and subjecAltName completely optional
* don't compare hashes of keys in openssl_csr integration tests
* add integration test for old API in openssl_csr
* compare keys directly in certificate and publickey integration tests
* fix typo