[Plugin: LeagueManager] UTF8 Support

I would like to report lack of support for UTF8.
This plugin would be useful for me, but special characters like: ?, ?, ?, ?, ó, ?, ?, ? aren’t displayed corect when i add the team or league.

Example Poland teams: Lech Pozna? , Wis?a Kraków (must be Lech Poznań & Wis?a Kraków)

Ps. for now I am translating this plugin into polish language.
Ps2. I know, my english is poor :]