Lower bound on base (fixes #530)
Lower bound on base (fixes #530)

utdemir/wai,tolysz/wai,frontrowed/wai,tolysz/wai,yesodweb/wai,utdemir/wai,kazu-yamamoto/wai,sordina/wai,creichert/wai,tolysz/wai,kazu-yamamoto/wai,frontrowed/wai,utdemir/wai,creichert/wai,erikd/wai,yesodweb/wai,tolysz/wai,erikd/wai,sordina/wai,sordina/wai,utdemir/wai,erikd/wai,erikd/wai,frontrowed/wai,sordina/wai,frontrowed/wai