update fetch_history for python-obelisk improvements.
update fetch_history for python-obelisk improvements.

CryptArc/gateway,jorik041/gateway,eXcomm/gateway,darkwallet/gateway,jorik041/gateway,eXcomm/gateway,jorik041/gateway,eXcomm/gateway,darkwallet/gateway,CryptArc/gateway,darkwallet/gateway,CryptArc/gateway