CrazyCore: added some null checks, removed stack trace
CrazyChats: fixed potential NPE when deleting a player
CrazyArena: improved timeConverter when handling low ms
CrazyArena: added convience method to ScoreEntry
CrazyArenaRace: protected ScoreComparator against invalid indexes
CrazyArenaRace: protected ScoreOutputModifier against null values caused by invalid column names
CrazyArenaRace: round distance to next goal
CrazyArenaRace: fix for always zero stats
CrazyCore: protection against NPEs for database save