Clarify docs and examples for fetch/4 - #404

Clarify docs and examples for fetch/4#404

SergioInToronto wants to merge 1 commit into

whitfin:mainwhitfin/cachex:mainfrom

SergioInToronto:clarify-function-docsSergioInToronto/cachex:clarify-function-docsCopy head branch name to clipboard