A good class, but some revisions need to be made.

-Please use allman style indentation to conform to project standards.
-For setHandler, do not use an array to pass paramaters, just pass multiple paramaters.
-Have connect assign the connection to a variable so we can pass it to other functions that need database interactions.
-Don't have it use a seperate function to set a query, just have the command functions accept a text parameter to the commend from. I work with a set command then execute it method in asp at work, its a pain.

Those are all rather small things, other then what I named above, its a good class.

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