Added index to UserPrivateMessages.uAuthorID for query where and Potential Join to Users table
Added index to UserPrivateMessages.uAuthorID for query where and Potential Join to Users table

matt9mg/concrete5,MichaelMaar/concrete5,TimDix/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,MichaelMaar/concrete5,TimDix/concrete5,avdevs/concrete5,avdevs/concrete5