Fix No client_id on twitch search games API access

[rasekar2000]

To fix No Client Id in the input request, I have added client_id , that works when we consume from Environment Variable.
Sending GET request https://api.twitch.tv/kraken/search/games?query=minecraft&type=suggest
2017/03/09 08:52:53 Got response {"error":"Bad Request","status":400,"message":"No client id specified"}

Pull Request - PR #10 is created.

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