update category set
update category set

use the setter in the mozdef_client object we are using, rather than set a dict key
gdestuynder/MozDef,mpurzynski/MozDef,mpurzynski/MozDef,Phrozyn/MozDef,jeffbryner/MozDef,jeffbryner/MozDef,Phrozyn/MozDef,mpurzynski/MozDef,jeffbryner/MozDef,gdestuynder/MozDef,gdestuynder/MozDef,Phrozyn/MozDef,mozilla/MozDef,gdestuynder/MozDef,Phrozyn/MozDef,mozilla/MozDef,mozilla/MozDef,mozilla/MozDef,jeffbryner/MozDef,mpurzynski/MozDef