bintcoin-qt v0.8.0-228-gce8de31-dirty-beta
randomly crashes while sending a transaction.
The created transaction is not send to the network, but is inside the transaction tab visible.
The bitcoins are subtracted from wallet.

Full Crashlog:
https://gist.github.com/tripplet/7c4f9c5809516cc52aba

EDIT:
Interestingly the transaction has just been verified - accepted in a later block.

EDIT - AGAIN:
Now bitcoint-qt crashed again and does not start any more it allways crashes during startup

Crashlogs:
https://gist.github.com/tripplet/8f586b111fd86e2ade59
https://gist.github.com/tripplet/891f80fd357c93572a34
https://gist.github.com/tripplet/a3ea11ffbd142bd67410

I'm not sure what the problem is, hopefully someone can tell me more.