3.7.0.1597
fixed issue with Lockette Signs not at the right place, ver 3.7.0.1597
removed craftIRC for the moment, ver 3.6.6.1597 integrating Metrics from Hidendra, ver 3.6.5.1597 (for opt-out please read here!)
fixed Tombs being mistaken for Air during load, issue # 65, ver 3.6.4.1597
fixed displaying update available even if not true, close #63 ver. 3.6.3.1597
fixed NPE when player had tomb but was clicking a normal sign, close #61
