Pass keyword arguments to the plugins.

debexpo/lib/plugins.py

@@ -194,7 +194,8 @@ class Plugins(object):
                 self.plugins[module.name] = module.plugin(module.name,
                                                           self.package_version,
                                                           models=module.models,
-                                                          changes=self.changes)
+                                                          changes=self.changes,
+                                                          kw=self.kw)
             except Exception:
                 log.debug('Something went wrong while loading the plugin {}:'
                          '{}'.format(module.name, traceback.format_exc()))