Update addressbook on changes
Update addressbook on changes

Fixes  #99
- enable/disable new/delete chan/subscription
- also found and fixed a logger crash

timothyparez/PyBitmessage,hb9kns/PyBitmessage,bmng-dev/PyBitmessage,hb9kns/PyBitmessage,bmng-dev/PyBitmessage,hb9kns/PyBitmessage,bmng-dev/PyBitmessage,torifier/PyBitmessage,torifier/PyBitmessage,hb9kns/PyBitmessage,debguy0x/PyBitmessage,timothyparez/PyBitmessage,debguy0x/PyBitmessage,timothyparez/PyBitmessage,torifier/PyBitmessage,debguy0x/PyBitmessage,debguy0x/PyBitmessage,timothyparez/PyBitmessage,torifier/PyBitmessage