Added operator support to cron provider (/ , and -).
Added operator support to cron provider (/ , and -).

oclaussen/chef,cmluciano/chef,cgvarela/chef,nellshamrell/chef,ktpan/chef-play,martinisoft/chef,karthikrev/chef,Igorshp/chef,nguyen-tien-mulodo/chef,MichaelPereira/chef,andrewpsp/chef,nellshamrell/chef,AndyBoucher/Chef-Testing,pburkholder/chef,evan2645/chef,GabKlein/chef-merged,jordane/chef,jonlives/chef,josb/chef,jordane/chef,jkerry/chef,AndyBoucher/Chef-Testing,DeWaRs1206/chef,webframp/chef,faspl/chef,pblittle/chef,mwrock/chef,robmul/chef,ShadySQL/chef-merged,mwrock/chef,sometimesfood/chef,zuazo-forks/chef,someara/chef,sometimesfood/chef,chef/chef,nguyen-tien-mulodo/chef,martinb3/chef,gsaslis/chef,someara/chef,nalingarg2/chef-1,antonifs/chef,DeWaRs1206/chef,onlyhavecans/chef,youngjl1/chef,MsysTechnologiesllc/chef,adamleff/chef,grubernaut/chef,nicklv/chef,webframp/chef,faspl/chef,brettcave/chef,SUSE-Cloud/chef,zuazo-forks/chef,malisettirammurthy/chef,swalberg/chef,b002368/chef-repo,kamaradclimber/chef,gsaslis/chef,3dinfluence/chef,oclaussen/chef,adamleff/chef,zuazo-forks/chef,nvwls/chef,evan2645/chef,lamont-granquist/chef,aaron-lane/chef,skmichaelson/chef,MsysTechnologiesllc/chef,AndyBoucher/Chef-Testing,sempervictus/chef,coderanger/chef,nalingarg2/chef-1,aspiers/chef,b002368/chef-repo,patcon/chef,ShadySQL/chef-merged,SUSE-Cloud/chef,gsaslis/chef,pblittle/chef,b002368/chef-repo,zuazo-forks/chef,nsdavidson/chef,clintoncwolfe/chef,OpSitters/chef,jblaine/chef,gsaslis/chef,ranjib/chef,jordane/chef,kisoku/chef,higanworks/chef,onlyhavecans/chef,h4ck3rm1k3/chef,SUSE-Cloud/chef,ccope/chef,jk47/chef,MsysTechnologiesllc/chef,ranjib/chef,jhulten/chef,custora/chef,mal/chef,sometimesfood/chef,polamjag/chef,docwhat/chef,MichaelPereira/chef,permyakovsv/chef,sanditiffin/chef,sekrett/chef,sempervictus/chef,ckaushik/chef,danielsdeleo/seth,nathwill/chef,hfichter/chef,Tensibai/chef,clintoncwolfe/chef,cgvarela/chef,docwhat/chef,jmhardison/chef,baberthal/chef,mikefaille/chef,andrewpsp/chef,opsengine/chef,pburkholder/chef,AndyBoucher/Chef-Testing,renanvicente/chef,paulmooring/chef,mio-g/chef,brettcave/chef,bahamas10/chef,webframp/chef,acaiafa/chef,baberthal/chef,baberthal/chef,grubernaut/chef,mikedodge04/chef,sideci-sample/sideci-sample-chef,Kast0rTr0y/chef,joemiller/chef,coderanger/chef,askl56/chef,ChaosCloud/chef,aspiers/chef,evan2645/chef,nvwls/chef,custora/chef,evan2645/chef,jkerry/chef,webframp/chef,tas50/chef-1,jk47/chef,circleback/chef,custora/chef,opsengine/chef,nicklv/chef,kaznishi/chef,joemiller/chef,sysbot/chef,malisettirammurthy/chef,clintoncwolfe/chef,kamaradclimber/chef,higanworks/chef,antonifs/chef,tbriggs-curse/chef,nguyen-tien-mulodo/chef,tas50/chef-1,Ppjet6/chef,ducthanh/chef,karthikrev/chef,jhulten/chef,natewalck/chef,cmluciano/chef,tomdoherty/chef,someara/chef,zshuo/chef,acaiafa/chef,mal/chef,patcon/chef,opsengine/chef,legal90/chef,jaymzh/chef,nguyen-tien-mulodo/chef,smurawski/chef,onlyhavecans/chef,nicklv/chef,andrewpsp/chef,MichaelPereira/chef,juliandunn/chef,brettcave/chef,strangelittlemonkey/chef,higanworks/chef,acaiafa/chef,tbriggs-curse/chef,nvwls/chef,youngjl1/chef,coderanger/chef,strangelittlemonkey/chef,jsierles/chef,ckaushik/chef,ccope/chef,martinisoft/chef,nvwls/chef,chef/chef,kisoku/chef,davestarling/chef,jblaine/chef,acaiafa/chef,ekometti/chef,DeWaRs1206/chef,webframp/chef,kisoku/chef,ccsplit/chef,jsierles/chef,pblittle/chef,nellshamrell/chef,BackSlasher/chef,smurawski/chef,nsdavidson/chef,renanvicente/chef,cachamber/chef,robmul/chef,3dinfluence/chef,youngjl1/chef,ChaosCloud/chef,BackSlasher/chef,polamjag/chef,cachamber/chef,malisettirammurthy/chef,sometimesfood/chef,pburkholder/chef,BackSlasher/chef,smurawski/chef,mio-g/chef,ccope/chef,mikedodge04/chef,ChaosCloud/chef,skmichaelson/chef,danielsdeleo/seth,circleback/chef,onlyhavecans/chef,criteo-forks/chef,swalberg/chef,aspiers/chef,karthikrev/chef,paulmooring/chef,legal90/chef,youngjl1/chef,ccsplit/chef,nalingarg2/chef-1,zshuo/chef,bahamas10/chef,EasonYi/chef,kaznishi/chef,jk47/chef,opsengine/chef,higanworks/chef,faspl/chef,andrewpsp/chef,nvwls/chef,pburkholder/chef,paulmooring/chef,juliandunn/chef,skmichaelson/chef,zuazo-forks/chef,robmul/chef,natewalck/chef,ktpan/chef-play,mwrock/chef,zshuo/chef,docwhat/chef,OpSitters/chef,lamont-granquist/chef,martinisoft/chef,joemiller/chef,sekrett/chef,askl56/chef,malisettirammurthy/chef,cgvarela/chef,jaymzh/chef,mwrock/chef,renanvicente/chef,antonifs/chef,strangelittlemonkey/chef,askl56/chef,aaron-lane/chef,skmichaelson/chef,swalberg/chef,smurawski/chef,jkerry/chef,cgvarela/chef,opsengine/chef,lamont-granquist/chef,b002368/chef-repo,docwhat/chef,kamaradclimber/chef,clintoncwolfe/chef,ducthanh/chef,jblaine/chef,polamjag/chef,Kast0rTr0y/chef,sekrett/chef,GabKlein/chef-merged,tbriggs-curse/chef,oclaussen/chef,Kast0rTr0y/chef,someara/chef,nathwill/chef,tbunnyman/chef,circleback/chef,Ppjet6/chef,Tensibai/chef,mikedodge04/chef,mikefaille/chef,ekometti/chef,bahamas10/chef,3dinfluence/chef,askl56/chef,Tensibai/chef,ChaosCloud/chef,martinb3/chef,AndyBoucher/Chef-Testing,karthikrev/chef,Ppjet6/chef,sempervictus/chef,BackSlasher/chef,cachamber/chef,renanvicente/chef,askl56/chef,ktpan/chef-play,tas50/chef-1,joemiller/chef,jordane/chef,mal/chef,kisoku/chef,mikedodge04/chef,joyent/chef,EasonYi/chef,erkolson/chef,mikefaille/chef,criteo-forks/chef,sysbot/chef,hfichter/chef,zshuo/chef,BackSlasher/chef,natewalck/chef,paulmooring/chef,sanditiffin/chef,zshuo/chef,mal/chef,Kast0rTr0y/chef,pblittle/chef,custora/chef,erkolson/chef,BackSlasher/chef,youngjl1/chef,MichaelPereira/chef,smurawski/chef,cachamber/chef,hfichter/chef,onlyhavecans/chef,polamjag/chef,davestarling/chef,h4ck3rm1k3/chef,tbunnyman/chef,ccsplit/chef,tomdoherty/chef,mio-g/chef,erkolson/chef,antonifs/chef,cmluciano/chef,martinb3/chef,bahamas10/chef,nsdavidson/chef,jmhardison/chef,SUSE-Cloud/chef,malisettirammurthy/chef,DeWaRs1206/chef,aspiers/chef,ranjib/chef,Tensibai/chef,lamont-granquist/chef,acaiafa/chef,nguyen-tien-mulodo/chef,sometimesfood/chef,ktpan/chef-play,gene1wood/chef,mikedodge04/chef,legal90/chef,pburkholder/chef,nsdavidson/chef,ranjib/chef,ckaushik/chef,custora/chef,jordane/chef,EasonYi/chef,kaznishi/chef,jonlives/chef,kamaradclimber/chef,cachamber/chef,sempervictus/chef,patcon/chef,joyent/chef,jsierles/chef,josb/chef,ChaosCloud/chef,sekrett/chef,martinb3/chef,robmul/chef,someara/chef,evan2645/chef,youngjl1/chef,danielsdeleo/seth,nvwls/chef,davestarling/chef,oclaussen/chef,renanvicente/chef,jagdeesh109/chef,joyent/chef,nalingarg2/chef-1,permyakovsv/chef,bahamas10/chef,EasonYi/chef,AndyBoucher/Chef-Testing,nalingarg2/chef-1,SUSE-Cloud/chef,faspl/chef,sempervictus/chef,hfichter/chef,OpSitters/chef,mio-g/chef,ckaushik/chef,gene1wood/chef,mattray/chef,sideci-sample/sideci-sample-chef,Ppjet6/chef,clintoncwolfe/chef,sysbot/chef,lamont-granquist/chef,aspiers/chef,h4ck3rm1k3/chef,jimmymccrory/chef,cmluciano/chef,grubernaut/chef,nalingarg2/chef-1,legal90/chef,legal90/chef,robmul/chef,karthikrev/chef,ekometti/chef,erkolson/chef,circleback/chef,josb/chef,antonifs/chef,sanditiffin/chef,aaron-lane/chef,adamleff/chef,gsaslis/chef,sempervictus/chef,ShadySQL/chef-merged,jaymzh/chef,ShadySQL/chef-merged,faspl/chef,nellshamrell/chef,Igorshp/chef,skmichaelson/chef,nicklv/chef,GabKlein/chef-merged,juliandunn/chef,pburkholder/chef,permyakovsv/chef,jonlives/chef,3dinfluence/chef,jmhardison/chef,DeWaRs1206/chef,adamleff/chef,ktpan/chef-play,joyent/chef,patcon/chef,jonlives/chef,swalberg/chef,mattray/chef,circleback/chef,sideci-sample/sideci-sample-chef,mikedodge04/chef,criteo-forks/chef,coderanger/chef,jblaine/chef,paulmooring/chef,tbriggs-curse/chef,gsaslis/chef,adamleff/chef,MichaelPereira/chef,davestarling/chef,cmluciano/chef,criteo-forks/chef,strangelittlemonkey/chef,Igorshp/chef,jimmymccrory/chef,skmichaelson/chef,sanditiffin/chef,ckaushik/chef,Igorshp/chef,patcon/chef,tomdoherty/chef,permyakovsv/chef,joemiller/chef,nathwill/chef,smurawski/chef,jimmymccrory/chef,nellshamrell/chef,aaron-lane/chef,sideci-sample/sideci-sample-chef,nathwill/chef,nsdavidson/chef,jkerry/chef,jaymzh/chef,nathwill/chef,brettcave/chef,ducthanh/chef,ccsplit/chef,mattray/chef,josb/chef,EasonYi/chef,jsierles/chef,polamjag/chef,mal/chef,ducthanh/chef,DeWaRs1206/chef,sekrett/chef,hfichter/chef,josb/chef,antonifs/chef,polamjag/chef,Igorshp/chef,paulmooring/chef,b002368/chef-repo,renanvicente/chef,jmhardison/chef,evan2645/chef,sideci-sample/sideci-sample-chef,higanworks/chef,bahamas10/chef,brettcave/chef,jimmymccrory/chef,ccope/chef,martinb3/chef,martinisoft/chef,jagdeesh109/chef,jagdeesh109/chef,grubernaut/chef,tomdoherty/chef,patcon/chef,strangelittlemonkey/chef,mal/chef,cachamber/chef,juliandunn/chef,mio-g/chef,andrewpsp/chef,acaiafa/chef,grubernaut/chef,davestarling/chef,adamleff/chef,legal90/chef,martinisoft/chef,Igorshp/chef,danielsdeleo/seth,lamont-granquist/chef,OpSitters/chef,oclaussen/chef,joemiller/chef,Kast0rTr0y/chef,jagdeesh109/chef,joyent/chef,malisettirammurthy/chef,MichaelPereira/chef,sekrett/chef,sanditiffin/chef,ducthanh/chef,3dinfluence/chef,sysbot/chef,ekometti/chef,baberthal/chef,ckaushik/chef,jonlives/chef,sysbot/chef,ccsplit/chef,grubernaut/chef,h4ck3rm1k3/chef,swalberg/chef,jk47/chef,EasonYi/chef,aaron-lane/chef,OpSitters/chef,mattray/chef,jonlives/chef,jk47/chef,jk47/chef,docwhat/chef,natewalck/chef,jkerry/chef,jmhardison/chef,tomdoherty/chef,SUSE-Cloud/chef,someara/chef,aaron-lane/chef,Ppjet6/chef,mattray/chef,circleback/chef,mikefaille/chef,ekometti/chef,chef/chef,h4ck3rm1k3/chef,juliandunn/chef,ccsplit/chef,ducthanh/chef,sometimesfood/chef,tbunnyman/chef,criteo-forks/chef,tbriggs-curse/chef,robmul/chef,baberthal/chef,chef/chef,natewalck/chef,josb/chef,jagdeesh109/chef,zuazo-forks/chef,cgvarela/chef,jagdeesh109/chef,3dinfluence/chef,Kast0rTr0y/chef,clintoncwolfe/chef,mikefaille/chef,gene1wood/chef,ccope/chef,OpSitters/chef,permyakovsv/chef,ranjib/chef,jimmymccrory/chef,jblaine/chef,natewalck/chef,danielsdeleo/seth,mio-g/chef,ekometti/chef,onlyhavecans/chef,kaznishi/chef,faspl/chef,docwhat/chef,nicklv/chef,jhulten/chef,custora/chef,criteo-forks/chef,cgvarela/chef,ktpan/chef-play,Ppjet6/chef,nicklv/chef,ShadySQL/chef-merged,nsdavidson/chef,tas50/chef-1,webframp/chef,ChaosCloud/chef,erkolson/chef,zshuo/chef,jblaine/chef,gene1wood/chef,nathwill/chef,nguyen-tien-mulodo/chef,jmhardison/chef,nellshamrell/chef,Tensibai/chef,swalberg/chef,strangelittlemonkey/chef,mikefaille/chef,kaznishi/chef,MsysTechnologiesllc/chef,martinb3/chef,ranjib/chef,tbriggs-curse/chef,kisoku/chef,tbunnyman/chef,sanditiffin/chef,permyakovsv/chef,jimmymccrory/chef,kaznishi/chef,andrewpsp/chef,jhulten/chef,jkerry/chef,karthikrev/chef,tbunnyman/chef,h4ck3rm1k3/chef,askl56/chef,oclaussen/chef,erkolson/chef,tbunnyman/chef,b002368/chef-repo,brettcave/chef,baberthal/chef,GabKlein/chef-merged