Changes to How to Indent Code between r0 and r1

'''Identing Your Code -- Don't Be That Guy'''

The Rules:
1. Use a (real) tab or spaces to indent -->    1. Use a (real) tab or spaces to indent
11. Preferably a tab, it has a deep history related to idention and in software it tends to mean "ident" -->    11. Preferably a tab, it has a deep history related to idention and in software it tends to mean "ident"
1. No tab shall come after a non-tab character on a line -->    1. No tab shall come after a non-tab character on a line
1. Be consistent -->    1. Be consistent
11. No space character shall follow a tab character -->    11. No space character shall follow a tab character
11. If using spaces, use the same number of spaces to represent an indention level -->    11. If using spaces, use the same number of spaces to represent an indention level

Legend

     Only in r0
     Only in r1
     -->      Modified slightly between r0 and r1