* Add blockContact and unblockContact subcommands
* Send blocked status in contacts sync
* Use only one method for blocking and unblocking
* Add blocking/unblocking for groups
* Prevent blocked messages from being printed
* Print blocked property in listContacts and listGroups commands
* Handle BlockedListMessages
* Store blocked state from incoming contact and group sync messages
* Minor changes and corrections
* Add block and unblock commands to man file (and also fix some headings of commands)
* dbus method to get contact info
* Add getGroupName method
* Save after updating contact name
* allow group updates over dbus
* Allow retreiving group member list as well
* Space after if before conditions if( -> if (
* Return an empty string if the contact is unknown
* Handle null/non-existant groups better
* Remove debug output and allow updating the avatar
* Remove extra variables in update messages
