Storing a list of linked files in the users home directory.
Passing script arguments to link function.
Checking script arguments and printing help.
Automatically removing dead links after each run.
Adding option to remove all links created by script.
Fixing sed syntax errors.
Adding safety check and colorizing output.
More colorizing and moving funcion calls to a better place.
Fixing color codes on some output.
Adding option to remove hook and changing terminology.
Handling args better. Can now pass more than one at a time.
Using $0 instead of BASH_SOURCE[0].
Handling options in a more sane manner.
Prefixing option variables with "option".

This will prevent confusing them with their corresponding functions.
Moving remove_* function calls out of the check args function.

Also adding option to skip installing the post-merge hook.
Moving loop for executing extensions into separate function.
Adding option to skip running extension scripts.
Updating install instructions.
Unhiding extension directory.
Updating readme.