Add fallback user agent if HTTP_USER_AGENT isnt set
Add fallback user agent if HTTP_USER_AGENT isnt set

Wouter0100/croogo,xintesa/croogo,Wouter0100/croogo,rakeshtembhurne/croogo,delkyd/croogo,delkyd/croogo,cvo-technologies/croogo,rchavik/croogo,xintesa/croogo,rakeshtembhurne/croogo,cvo-technologies/croogo,Wouter0100/croogo,damien-biasotto/croogo,cvo-technologies/croogo,rakeshtembhurne/croogo,delkyd/croogo,rchavik/croogo,damien-biasotto/croogo,xintesa/croogo