remove bool auto_unload
add proplist at the end
+
+new messages:
+
+ PA_COMMAND_GET_CARD_INFO
+ PA_COMMAND_GET_CARD_INFO_LIST
+ PA_COMMAND_SET_CARD_PROFILE
+
+ PA_COMMAND_CLIENT_EVENT
+ PA_COMMAND_PLAYBACK_STREAM_EVENT
+ PA_COMMAND_RECORD_STREAM_EVENT
+
+ PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED
+ PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED