src - Update dependencies to cryptography >= 0.5
src - Fix entry point for console script
src/ui - Warn if no SSL/TLS method is enabled
src/ui - Enable method groups with one cmd option
src/ui - Fix examples in help text
src - Fix problem with negated option
src/ui - Improve options to enable/disable methods
src/ui - Add method options to group
src/ui - Group module options