Code Geass question. (NO SPOILERS, PLZ)

[Soluzar]

Does the second season pretty much wrap up whatever hanging plot threads were left over? I wanted to wait until this series was complete before jumping onboard.

Don't give me any spoilers, just tell me if the series is concluded.

[Vaikyuko]

Just about everything that matters is wrapped up. There's a few loose threads but nothing that matters much, and there's fairly obvious explanation for those few threads.