* added Util.Clip(value, min, max)
* modified asset cache's numPackets calculation to use max packet size (600) instead of 1000
* removed a few magic numbers
* Added SSL Option to User Server to allow logins to be done via SSL.
* Added sane handling for when Remote Admin Plugin configuration is not found
* Added some performance boosts to an area of libTerrain which was highlighted in profiling.