refactoring to make more efficient and to ensure unique set of random assets is returned
refactoring to make more efficient and to ensure unique set of random assets is returned

eosrei/roundware-server,eosrei/roundware-server,probabble/roundware-server,IMAmuseum/roundware-server,IMAmuseum/roundware-server,probabble/roundware-server,jslootbeek/roundware-server,probabble/roundware-server,eosrei/roundware-server,jslootbeek/roundware-server,jslootbeek/roundware-server,IMAmuseum/roundware-server,jslootbeek/roundware-server,eosrei/roundware-server,IMAmuseum/roundware-server,probabble/roundware-server