[battlearena.py] Taunting and stealing support and more.
[battlearena.py] Taunting and stealing support and more.

- Added support for 'gets another turn'.
- Also fixed new battle enemy mapping.
- Added 'steal_first' setting.
- Added 'taunt_first' setting.
- Removed cb_attack in favour of cb_battlecommand.
- Added a couple more TODOs

FiXato/weechat_scripts