Change ceiling and floor requirement from per class to per spell

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Fix Dwarf Chat pre and suffixes

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Add -1 to ignore damagevalues

Signed-off-by: Andre Schweiger <andre.spiele@yahoo.de>
Update the Inventory, when a item was removed

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