added exists_on_scheduled_jobs to check if exists any job on scheduled set
added exists_on_scheduled_jobs to check if exists any job on scheduled set

devton/catarse,mrmarcondes/catarse,globalavocado/catarse,thiagocatarse/catarse,sushant12/jvn,vicnicius/catarse,victor95pc/catarse,sushant12/jvn,juanmanunez/catarse,coopsource/catarse,paulopatto/catarse,adrianob/catarse,JamesUcci/webapplication,coopsource/catarse,juanmanunez/catarse,vicnicius/catarse,diegorv/catarse,vandofb/catarse,vandofb/catarse,umeshduggal/flockaway,devton/catarse,devton/catarse,ujjwalkhanal/helpbegin,diegorv/catarse,paulopatto/catarse,sushant12/jvn,stephenhack/yhacks,danielweinmann/catarse,paulopatto/catarse,thiagocatarse/catarse,ujjwalkhanal/helpbegin,paulopatto/catarse,juanmanunez/catarse,danielweinmann/catarse,umeshduggal/flockaway,adrianob/catarse,ujjwalkhanal/helpbegin,ujjwalkhanal/helpbegin,catarse/catarse,adrianob/catarse,victor95pc/catarse,catarse/catarse,catarse/catarse,mrmarcondes/catarse,sushant12/jvn,JamesUcci/webapplication,mrmarcondes/catarse,diegorv/catarse,vandofb/catarse,coopsource/catarse,JamesUcci/webapplication,thiagocatarse/catarse,globalavocado/catarse,devton/catarse,catarse/catarse,stephenhack/yhacks,victor95pc/catarse,globalavocado/catarse,vicnicius/catarse,umeshduggal/flockaway,stephenhack/yhacks