I'm having crashes in the last build on 2nd startup. I've removed the .wazapp folder, still crashes.

Here's the stacktrace if I launch the app from the cli:

Traceback (most recent call last):
File "/opt/waxmppplugin/bin/wazapp/wazapp", line 53, in <module>
wam = WAManager(app)
File "/opt/waxmppplugin/bin/wazapp/wamanager.py", line 48, in __init__
self.proceed()
File "/opt/waxmppplugin/bin/wazapp/wamanager.py", line 92, in proceed
gui.populateContacts();
File "/opt/waxmppplugin/bin/wazapp/ui.py", line 213, in populateContacts
contacts = self.c.getContacts();
File "/opt/waxmppplugin/bin/wazapp/contacts.py", line 274, in getContacts
return sorted(tmp, key=lambda k: k['name'].upper()) ;
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 9: ordinal not in range(128)
X Error: BadDamage (invalid Damage parameter) 153
Extension: 146 (Uknown extension)
Minor opcode: 2 (Unknown request)
Resource id: 0x600186
Segmentation fault