anchor.diff:              "status": 404
           }
   
  -
  -## GET /v1/gamer/matches/participating
  -
  -Lists the matches to which you are participating.
  -
  -+ Request (application/json)
  -
  -    + Headers
  -
  -            x-apikey : testgame-key
  -            x-apisecret : testgame-secret
  -            Authorization: Basic gamer_id:gamer_secret
  -
  -+ Response 200 (application/json)
  -
  -        {
  -            "matches": [
  -                {
  -                    "_id": "54744826540942cc5e281937",
  -                    "game_id": "541715e10476afa004fc3b82",
  -                    "status": "running",
  -                    "description": "Sample match for testing",
  -                    "customProperties": {
  -                        "type": "coop"
  -                    },
  -                    "maxPlayers": 2,
  -                    "players": [
  -                        "54744826540942cc5e281935"
  -                    ],
  -                    "globalState": {},
  -                    "lastEventId": 0,
  -                    "events": []
  -                },
  -                {
  -                    "_id": "54744826540942cc5e281938",
  -                    "game_id": "541715e10476afa004fc3b82",
  -                    "status": "running",
  -                    "description": "Another sample match",
  -                    "customProperties": {
  -                        "type": "versus"
  -                    },
  -                    "maxPlayers": 1,
  -                    "players": [
  -                        "54744826540942cc5e281935"
  -                    ],
  -                    "globalState": {},
  -                    "lastEventId": 0,
  -                    "events": []
  -                }
  -            ]
  -        }
   
   ## POST /v1/gamer/matches/{id}/join
   
  
positive.code:             "name": "InvalidMatch",
              "message": "The match does not exist",
              "status": 404
          }
  
  + Response 433 (application/json)
  
negative.code: |players|array| list of IDs of players participating to the match (read only)
  |status|string| either "running" (meaning that the match is running), either "finished" (meaning that nobody can join the match anymore) (read only)
  
  The response of most calls only include basic properties. To get all properties, including the global state and event list, you must either create, join or fetch a single match.
  
  + Request (application/json)
  
      + Headers
  