Army statistics can't be processed

[micheljung]

faf-python-server                | INFO     CustomGame.8816629             Player(neVdun, 213834, (1145.36, 98.9353), (1500.0, 500.0)) reported result for army 4: defeat -10
faf-python-server                | DEBUG    server.stats.game_stats_service.GameStatsService Processing game stats for player: Dirtierdragon
faf-python-server                | ERROR    CustomGame.8816629             Army stats could not be processed from player Player(Dirtierdragon, 82365, (1103.032901286831, 102.59100077092083), (627.416, 71.2472)) in game Game(8816629,LittleKiller,maps/dual_gap_fix.v0004.v0004.zip,12)
faf-python-server                | Traceback (most recent call last):
faf-python-server                |   File "/code/server/games/game.py", line 297, in _process_army_stats_for_player
faf-python-server                |     await self._game_stats_service.process_game_stats(player, self, self._army_stats)
faf-python-server                |   File "/code/server/stats/game_stats_service.py", line 56, in process_game_stats
faf-python-server                |     survived = army_result[1] == 'victory'
faf-python-server                | IndexError: list index out of range

This was supposed to be fixed but it's still happening, see #252