Dev Release (v3.4.0-dev1)

Added

• "enable" and "disable" support for yes or no config vars.
• Added "perhaps you meant" section to ?config help.
• Multi-command alias is now more stable. With support for a single quote escape \".

Internal

• Commit to black format line width max = 99, consistent with pylint.
• Alias parser is rewritten without shlex.