allow to choose a page sort attribute other than alphabetical
allow to choose a page sort attribute other than alphabetical

rullmann/pelican-theme-flex,alexandrevicenzi/Flex,barryorourke/Flex,magsol/Flex,alexandrevicenzi/Flex,rullmann/pelican-theme-flex,magsol/Flex,ubahmapk/Flex,rullmann/pelican-theme-flex,ubahmapk/Flex,rullmann/pelican-theme-flex,ubahmapk/Flex,magsol/Flex,barryorourke/Flex,barryorourke/Flex,barryorourke/Flex,alexandrevicenzi/Flex,alexandrevicenzi/Flex,ubahmapk/Flex,magsol/Flex