- Update dependencies to baseline on Ubuntu 18.04

- Clarify documentation of Ubuntu installation dependencies

- List ipaddress as a dependency

- Strip PEM header from OpenSSL.crypto.X509 cert

- Doc updates: dependency versions, standard links

- Fix cryptography deprecation warnings. Closes XML-Security#108

- Allow URI attribute of Reference to be absent (XML-Security#102)

- Fix release

Fix release

- Relax dependency version constraints.

- Drop Python 3.3 support.

- Support for PEM files with CR+LF line endings (XML-Security#93).

- Import asn1crypto on demand

- Allow newer versions of cryptography library (XML-Security#89)

- Add explicit dependency on asn1crypto to setup.py (XML-Security#87)

- Remove use of Exception.message for py3 compatibility. Closes XML-Security#36 (XML-Security#86)

- Use asn1crypto instead of pyasn1 to match cryptography lib (XML-Security#85)

- Pin to major version of lxml instead of minor

- Allow newer versions of several requirements (XML-Security#84)

- Allow newer version of eight library (XML-Security#83)

- Fix release script

- Allow defusedxml>=0.5 (XML-Security#82)

- Readability improvements

- Documentation and test fixes

- Release automation: parse repo name correctly