Fixing periodic callbacks
Fixing periodic callbacks

As per Brian's suggestions and Sam's test

tortxof/OpenBazaar,matiasbastos/OpenBazaar,mirrax/OpenBazaar,matiasbastos/OpenBazaar,freebazaar/FreeBazaar,bankonme/OpenBazaar,blakejakopovic/OpenBazaar,bglassy/OpenBazaar,must-/OpenBazaar,NolanZhao/OpenBazaar,bglassy/OpenBazaar,bglassy/OpenBazaar,NolanZhao/OpenBazaar,freebazaar/FreeBazaar,mirrax/OpenBazaar,atsuyim/OpenBazaar,NolanZhao/OpenBazaar,rllola/OpenBazaar,tortxof/OpenBazaar,saltduck/OpenBazaar,Renelvon/OpenBazaar,freebazaar/FreeBazaar,Renelvon/OpenBazaar,bglassy/OpenBazaar,atsuyim/OpenBazaar,blakejakopovic/OpenBazaar,must-/OpenBazaar,freebazaar/FreeBazaar,tortxof/OpenBazaar,Renelvon/OpenBazaar,rllola/OpenBazaar,mirrax/OpenBazaar,habibmasuro/OpenBazaar,must-/OpenBazaar,saltduck/OpenBazaar,atsuyim/OpenBazaar,habibmasuro/OpenBazaar,Renelvon/OpenBazaar,mirrax/OpenBazaar,atsuyim/OpenBazaar,habibmasuro/OpenBazaar,tortxof/OpenBazaar,rllola/OpenBazaar,NolanZhao/OpenBazaar,matiasbastos/OpenBazaar,rllola/OpenBazaar,bankonme/OpenBazaar,habibmasuro/OpenBazaar,saltduck/OpenBazaar,saltduck/OpenBazaar,blakejakopovic/OpenBazaar,bankonme/OpenBazaar,matiasbastos/OpenBazaar,must-/OpenBazaar,bankonme/OpenBazaar,blakejakopovic/OpenBazaar,freebazaar/FreeBazaar