List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-players_start&page=478
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "####_xhu98 and Inazuma will make live comments on [Twitch](http://twitch.tv/xhu98) and maybe review a game or two with all the participants when the tournament finishes. Enjoy! =)_",
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