Correct name of Python config file
Correct formatting in Mac Installation section

Fixes errors in PDF Build
- Chapter 2: Overfull \hbox (10.19957pt too wide) in paragraph at lines 274--277
Remove indexing statements

Generating an index is not working on HTML or PDF generation.
Change filename and table formatting

Fixes errors in PDF Build
- Chapter 16: Underfull \hbox (badness 10000) in paragraph at lines 1705--1706
-Chapter 16: ! LaTeX Error: Unknown graphics extension: .43.png.