Add Homebrew instructions

Signed-off-by: Stephen Celis <stephen@stephencelis.com>
2FA (Two-factor auth) support

This fixes #130.

Signed-off-by: Stephen Celis <stephen@stephencelis.com>
Bump version

Signed-off-by: Stephen Celis <stephen@stephencelis.com>
Define JSON conditionally.

Fixes #134.

Signed-off-by: Stephen Celis <stephen@stephencelis.com>