Update shinken/modules/zmq_broker.py
Update shinken/modules/zmq_broker.py

Fixed some issues with serializing unhandled datatypes for Json and msgpack. Default to using str() for msgpack, print sets as lists for JSON.
fpeyre/shinken,xorpaul/shinken,kaji-project/shinken,gst/alignak,kaji-project/shinken,rednach/krill,staute/shinken_deb,Simage/shinken,Aimage/shinken,claneys/shinken,peeyush-tm/shinken,kaji-project/shinken,rledisez/shinken,claneys/shinken,titilambert/alignak,geektophe/shinken,KerkhoffTechnologies/shinken,xorpaul/shinken,KerkhoffTechnologies/shinken,tal-nino/shinken,savoirfairelinux/shinken,lets-software/shinken,staute/shinken_package,h4wkmoon/shinken,h4wkmoon/shinken,rledisez/shinken,lets-software/shinken,lets-software/shinken,naparuba/shinken,fpeyre/shinken,lets-software/shinken,gst/alignak,KerkhoffTechnologies/shinken,savoirfairelinux/shinken,dfranco/shinken,Aimage/shinken,fpeyre/shinken,h4wkmoon/shinken,mohierf/shinken,rednach/krill,mohierf/shinken,fpeyre/shinken,Simage/shinken,KerkhoffTechnologies/shinken,Aimage/shinken,h4wkmoon/shinken,xorpaul/shinken,dfranco/shinken,ddurieux/alignak,h4wkmoon/shinken,dfranco/shinken,h4wkmoon/shinken,Aimage/shinken,rednach/krill,savoirfairelinux/shinken,savoirfairelinux/shinken,rledisez/shinken,geektophe/shinken,KerkhoffTechnologies/shinken,tal-nino/shinken,naparuba/shinken,ddurieux/alignak,savoirfairelinux/shinken,Simage/shinken,kaji-project/shinken,naparuba/shinken,staute/shinken_deb,geektophe/shinken,geektophe/shinken,Simage/shinken,naparuba/shinken,staute/shinken_package,kaji-project/shinken,gst/alignak,tal-nino/shinken,gst/alignak,mohierf/shinken,titilambert/alignak,peeyush-tm/shinken,Alignak-monitoring/alignak,h4wkmoon/shinken,h4wkmoon/shinken,dfranco/shinken,tal-nino/shinken,Alignak-monitoring/alignak,Aimage/shinken,rednach/krill,fpeyre/shinken,naparuba/shinken,titilambert/alignak,staute/shinken_deb,rledisez/shinken,mohierf/shinken,ddurieux/alignak,claneys/shinken,kaji-project/shinken,Simage/shinken,rledisez/shinken,mohierf/shinken,rledisez/shinken,xorpaul/shinken,KerkhoffTechnologies/shinken,xorpaul/shinken,xorpaul/shinken,Simage/shinken,dfranco/shinken,staute/shinken_deb,lets-software/shinken,rednach/krill,xorpaul/shinken,lets-software/shinken,peeyush-tm/shinken,staute/shinken_package,kaji-project/shinken,peeyush-tm/shinken,titilambert/alignak,ddurieux/alignak,geektophe/shinken,peeyush-tm/shinken,claneys/shinken,naparuba/shinken,fpeyre/shinken,peeyush-tm/shinken,ddurieux/alignak,Aimage/shinken,staute/shinken_package,tal-nino/shinken,ddurieux/alignak,rednach/krill,savoirfairelinux/shinken,claneys/shinken,claneys/shinken,dfranco/shinken,staute/shinken_deb,xorpaul/shinken,geektophe/shinken,staute/shinken_deb,mohierf/shinken,tal-nino/shinken,staute/shinken_package,staute/shinken_package