Fix alternating gametype 3

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Fix another NullPointer

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Add Blockbreak blacklist/change system

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Only include online Players in global stats

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>