Updated the changeUsertype() function in the Permissions Controller and the ChangeUsertype() function in the Permissions Model to use the new Error Handler.
Updated removeUsertype() function in the Permissions Controller and the RemoveUsertype() function in the Permissions Model to us the new Error Handler.
Fixed type in Error Message that was returned from the Error Handler.
updated the Progress Controller, and the HTML Views that used its functions, to use the new Error Handler.