Added script in development

Script is still in development. Will be committing.
Deleted .gitignore

Useless, for now.
Added makeItHappen function

-Added makeItHappen function, which changes directory to the one given
and (assuming we’re in a valid place to do it) installs the library
-Added more paths
Added check_for_pi function

-Added check_for_pi function. Checks if the script is running on a
(Linux OS) Pi.
-Edited $usage string
-Edited some comments