Fix for faction creation sometimes causing an NPE; hopefully a fix for the cause of the null value as well, from an ID clash in the entity collection of factions

Fix for disband command causing an NPE if run from the console
Additionally, disband command use is now logged

src/com/massivecraft/factions/cmd/CmdCreate.java

@@ -58,6 +58,13 @@ public class CmdCreate extends FCommand
 		if ( ! payForCommand(Conf.econCostCreate, "to create a new faction", "for creating a new faction")) return;
 
 		Faction faction = Factions.i.create();
+
+		if (faction == null)
+		{
+			msg("<b>There was an internal error while trying to create your faction. Please try again.");
+			return;
+		}
+
 		faction.setTag(tag);
 		fme.setRole(Role.ADMIN);
 		fme.setFaction(faction);

src/com/massivecraft/factions/cmd/CmdDisband.java

@@ -44,7 +44,7 @@ public class CmdDisband extends FCommand
 		}
 		else
 		{
-			if ( ! Permission.DISBAND_ANY.has(me, true))
+			if ( ! Permission.DISBAND_ANY.has(sender, true))
 			{
 				return;
 			}
@@ -69,6 +69,7 @@ public class CmdDisband extends FCommand
 				fplayer.msg("<h>%s<i> disbanded the faction %s.", who, faction.getTag(fplayer));
 			}
 		}
+		P.p.log("The faction "+faction.getTag()+" ("+faction.getId()+") was disbanded by "+(senderIsConsole ? "console command" : fme.getName())+".");
 
 		if (Econ.shouldBeUsed())
 		{

src/com/massivecraft/factions/integration/SpoutFeatures.java

@@ -41,7 +41,7 @@ public class SpoutFeatures
 			{
 				listenersHooked = true;
 				mainListener = new SpoutMainListener();
-				P.p.getServer().getPluginManager().registerEvent(Event.Type.CUSTOM_EVENT, mainListener, Event.Priority.Normal, P.p);
+				P.p.registerEvent(Event.Type.CUSTOM_EVENT, mainListener, Event.Priority.Normal);
 			}
 		}
 		else

src/com/massivecraft/factions/zcore/persist/EntityCollection.java

@@ -217,8 +217,13 @@ public abstract class EntityCollection<E extends Entity>
 	
 	public String getNextId()
 	{
-		this.nextId += 1;
+		String next = Integer.toString(this.nextId);
-		return "" + (nextId - 1);
+		do
+		{
+			this.nextId += 1;
+		} while ( ! isIdFree(Integer.toString(this.nextId)) );
+
+		return next;
 	}
 	
 	public boolean isIdFree(String id)