Modified addChannel and setRoles methods so that they modify a channel as well as add a new one.
Modified addChannel and setRoles methods so that they modify a channel as well as add a new one.


git-svn-id: 477788cc2a8229a747c5b8073e47c1d0f6ec0604@5129 f5dbab47-78f9-eb45-b975-e544023573eb

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