Do not just overwrite roles if value is nil.
Do not just overwrite roles if value is nil.

chiragshah/typus,brainsome-de/typus,chiragshah/typus,baban/typus,readyfor/typus,readyfor/typus,wollzelle/typus,wollzelle/typus,brainsome-de/typus,typus/typus,oruen/typus,burn-notice/typus,typus/typus,typus/typus,thirdthing/typus,wollzelle/typus,burn-notice/typus,thirdthing/typus,thirdthing/typus,baban/typus,burn-notice/typus,gkleiman/typus_3dglabs,brainsome-de/typus,wollzelle/typus,brainsome-de/typus,thirdthing/typus,readyfor/typus,burn-notice/typus,readyfor/typus,baban/typus,baban/typus,oruen/typus,gkleiman/typus_3dglabs,chiragshah/typus,typus/typus,chiragshah/typus