Fix reference to Google_IO_Abstract (wrong case)
Updated GamesManagement.php

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Update dev-master alias for 1.1. branch
Merge branch 'master' of https://github.com/google/google-api-php-client
Merge pull request #348 from ianbarber/master

Update composer dev-master alias
Merge pull request #346 from tagged/fix-unit-tests

Fix reference to Google_IO_Abstract (wrong case)