repeated same-zone attacks don't give loot
I disabled this deliberately to work around a serialization bug on the first day. Turn it back on once #210 is solved.
https://swarmsim.freshdesk.com/a/tickets/101
https://swarmsim.freshdesk.com/a/tickets/100
https://swarmsim.freshdesk.com/a/tickets/96
https://www.reddit.com/r/warswarms/comments/7jvwbi/beta_keys/drbqw94/
Edited by Evan