Add sections to the FileSystem module
Add sections to the FileSystem module

Brad had pointed out that it would make surfing the FileSystem module easier if
we had a quick reference guide to the different functions and their relative
categories.  To that end, I added four different sections: File/Directory
Manipulations, File/Directory Properties, Locale State Functionality, and
Filerators.  I then added a fifth section for if one just wanted to skip to the
definitions and didn't care about all that organizational stuff.

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