Output the disc-number

Closes #25

See merge request funkwhale/cli!21

bugfix: Albums Tracks field is track count only

See merge request funkwhale/cli!20

Fix #23: Missing server command

Closes #23

See merge request funkwhale/cli!19

Added publish-pipeline

Closes #20

See merge request funkwhale/cli!18

- removed unnecessary notes.rst
- added hint about the prebuilt binaries
- the publish-pipeline now depends on build-pypi
- added CONTRIBUTING.md with all hints required for building a new version

Fixes #20

Clean up and pin dependencies

See merge request funkwhale/cli!16

Added AGPL-license

Closes #21

See merge request funkwhale/cli!15

Access keys via get, to prevent KeyErrors

Closes #19

See merge request funkwhale/cli!14

Fixes #19

Added generate-playlist command to tracks

Closes #16

See merge request funkwhale/cli!13

Don't abort whole download, when one file doesn't exist

Closes #18

See merge request funkwhale/cli!12

Replace "/" in param-name with "_" during sanitizing

Closes #17

See merge request funkwhale/cli!10

While sanitizing the params for filenames, this avoids creating
unwanted sub-dirs, when fields contain "/".

Fixes #17

Added definition of ID field to "PLAYLIST_TRACK"

Closes #15

See merge request funkwhale/cli!9

fixes #15