use an re.sub whitelist for legal filenames (Jonathan Beverley)
use an re.sub whitelist for legal filenames (Jonathan Beverley)

BenGardiner/mindmup-as-attack-trees,BenGardiner/mindmup-as-attack-trees,BenGardiner/mindmup-as-attack-trees,BenGardiner/mindmup-as-attack-trees