Fixed null pointer exception for class sessions without a room attached
Fixed null pointer exception for class sessions without a room attached

rdpeake/UniBuddyAPI,rdpeake/UniBuddyAPI,TobiasWooldridge/UniBuddyAPI,0xadam/UniBuddyAPI,TobiasWooldridge/UniBuddyAPI,TobiasWooldridge/UniBuddyAPI,0xadam/UniBuddyAPI,rdpeake/UniBuddyAPI,TobiasWooldridge/UniBuddyAPI,0xadam/UniBuddyAPI,0xadam/UniBuddyAPI,rdpeake/UniBuddyAPI