v0.3.0

• Wait for confirmation of transactions in monitoring service (#503)
• Take unconfirmed state into account if necessary, e.g. user deposit check (#502)
• Remove handling of ChannelNewDeposit event (#496)
• Bugfix: Fix possible crash when receiving unexpected message types (#499)
• Bugfix: Fix crash related to handling of settled channels (#512)
• Bugfix: Ignore MonitorRequests after channel closing (#510)