Squashed commit of the following:

commit fdb977d1
Author: inso <insomniak.fr@gmaiL.com>
Date:   Mon Mar 12 16:01:59 2018 +0100

    Add connector if we go below the limit

commit 36c80d9f
Author: inso <insomniak.fr@gmaiL.com>
Date:   Mon Mar 12 15:57:42 2018 +0100

    Stabilisation of WS2P requests

commit f782e818
Author: inso <insomniak.fr@gmaiL.com>
Date:   Mon Mar 12 14:09:55 2018 +0100

    Use WS2P to detect consensus