Fix #starred method.

This fixes a bug in the starred method that only returned the
authenticated users starred repositories even when a different user was
passed as a parameter.
Fix #subscriptions method.

Fix bug causing method to only returned authenticated users
subscriptions even when a different user is passed in the parameter.
Revert "Parallel tests for CI"

This reverts commit 1aebb68585731c7e19f3e5f869f35e534dc125bd since we
get no benefit from parallel tests on Travis-CI and it's messing up
coveralls reporting.
Merge pull request #392 from joeyw/fix-starred-method

Fix #starred method.
Merge pull request #393 from joeyw/fix-subscriptions-method

Fix #subscriptions method.