Space Invasion: Continue playing rounds in case the teams are tied at the end
Rules in case of a tie:
1) Eliminate all teams not tied for the lead
2) Play another round with the remaining teams
3) Check for the winner again at the end of that round. If there's another tie, repeat the procedure
Lua scripts for engine testing. These scripts are the same as other Lua scripts
in Hedgewars, but you ought to call `EndLuaTest(TEST_SUCCESSFUL)` or
`EndLuaTest(TEST_FAILED)` when the test is completed.