shell.function to download all Repositories from a GitHub account

a shell utility to download all repositories managed under any GitHub account in the current directory...
if the current directory has any of the repositories already cloned, it pulls the latest

usage:   $ clone-github github
would download all the repositories managed under 'github' account available at https://github.com/github

shell.function to download all files from any GITHUB GIST URL

a shell utility to download all files part of a GIST url at provided download path

usage e.g. $ ddl-gist https://gist.github.com/4165864 /etc/profile.d/

howTo install
$ curl -L -o /etc/profile.d/ddl-gist.sh https://gist.github.com/4165864

actually, if you had this utlity... the usage example would install the utlity... chicken-egg