Fix issue #203 - errors in Util.exception when no trace present.
Fix issue #203 - errors in Util.exception when no trace present.

Xetius/BungeeCord,TCPR/BungeeCord,PrisonPvP/BungeeCord,TCPR/BungeeCord,GamesConMCGames/Bungeecord,BlueAnanas/BungeeCord,BlueAnanas/BungeeCord,GingerGeek/BungeeCord,xxyy/BungeeCord,starlis/BungeeCord,ewized/BungeeCord,ewized/BungeeCord,ConnorLinfoot/BungeeCord,starlis/BungeeCord,dentmaged/BungeeCord,LetsPlayOnline/BungeeJumper,LetsPlayOnline/BungeeJumper,xxyy/BungeeCord,dentmaged/BungeeCord,GamesConMCGames/Bungeecord,dentmaged/BungeeCord,ConnorLinfoot/BungeeCord,GamesConMCGames/Bungeecord,mariolars/BungeeCord,Xetius/BungeeCord,ConnorLinfoot/BungeeCord,Xetius/BungeeCord,Yive/BungeeCord,LolnetModPack/BungeeCord,XMeowTW/BungeeCord,btilm305/BungeeCord,mariolars/BungeeCord,Yive/BungeeCord,TCPR/BungeeCord,LinEvil/BungeeCord,LolnetModPack/BungeeCord,LolnetModPack/BungeeCord,PrisonPvP/BungeeCord,mariolars/BungeeCord,XMeowTW/BungeeCord,btilm305/BungeeCord,ewized/BungeeCord,btilm305/BungeeCord,PrisonPvP/BungeeCord,LinEvil/BungeeCord,xxyy/BungeeCord,XMeowTW/BungeeCord,GingerGeek/BungeeCord,GingerGeek/BungeeCord,BlueAnanas/BungeeCord,LetsPlayOnline/BungeeJumper,starlis/BungeeCord,LinEvil/BungeeCord,Yive/BungeeCord