Added uniqueness for uuids and added some basic user log stuff
Added uniqueness for uuids and added some basic user log stuff

LibriCerule/Cerulean_Tracking,LibriCerule/Cerulean_Tracking,LibriCerule/Cerulean_Tracking,LibriCerule/Cerulean_Tracking,LibriCerule/Cerulean_Tracking