Version 0.2.0

[joelostblom]

Added

• show_courses got a --filter option to facilitate finding the right course.
• canvascli now has a --version flag.
• Shell completion.

Changed

• The package was refactored to modularize functionality into subcommands, each with its own options.
• dataclassy is being used instead of dataclasses from stdlib in order to handle class inheritance with default values.

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This discussion was created from the release Version 0.2.0.