Checking a stack actually exists before rendering
Checking a stack actually exists before rendering

Fixes #51

mpgarate/deployinator,cyberrodent/deployinator,jdycar/deployinator,cyberrodent/deployinator,friedenberg/deployinator,friedenberg/deployinator,etsy/deployinator,etsy/deployinator,mpgarate/deployinator,rvml/deployinator,jdycar/deployinator,rvml/deployinator,cyberrodent/deployinator,rvml/deployinator,nkammah/deployinator,mpgarate/deployinator,nkammah/deployinator,nkammah/deployinator,jdycar/deployinator,friedenberg/deployinator,etsy/deployinator