Description of problem:
Using the Hamster plugin in GTG to start a task in Hamster, causes a crash.
ABRT I think mistakenly classified it as a duplicate of bug 573511.

Version-Release number of selected component (if applicable):
0.2.4

How reproducible:
Sometimes, other times the steps below just have no effect at all.

Steps to Reproduce:
1. Enable Hamster plugin from Preferences
2. Select a task
3. Plugins > Start task in Hamster
  
Actual results:
Crash

Expected results:
Hamster displays the selected task as active

Additional info:
Backtrace:

connection.py:630:call_blocking:DBusException: org.freedesktop.DBus.Python.TypeError: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
TypeError: AddFact() takes at least 5 arguments (4 given)


Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/GTG/plugins/hamster/hamster.py", line 242, in browser_cb
    self.sendTask(plugin_api.get_selected_task())
  File "/usr/lib/python2.7/site-packages/GTG/plugins/hamster/hamster.py", line 97, in sendTask
    hamster_id=self.hamster.AddFact('%s%s,%s%s'%(activity, category, description, tag_str), 0, 0)
  File "/usr/lib/python2.7/site-packages/dbus/proxies.py", line 140, in __call__
    **keywords)
  File "/usr/lib/python2.7/site-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Python.TypeError: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
TypeError: AddFact() takes at least 5 arguments (4 given)


Local variables in innermost frame:
byte_arrays: False
self: <dbus._dbus.SessionBus (session) at 0x209fb30>
args: (u'Other,SOLR-boek lezen', 0, 0)
utf8_strings: False
bus_name: dbus.UTF8String(':1.126')
get_args_opts: {'byte_arrays': False, 'utf8_strings': False}
object_path: '/org/gnome/Hamster'
timeout: -1.0
signature: None
dbus_interface: None
message: <dbus.lowlevel.MethodCallMessage object at 0x20875a0>
method: 'AddFact'