Rename "The Tao of Option Parsing" section to "Philosophy". Remove first-person usage from it.  Various wording tweaks.
Rename "The Tao of Option Parsing" section to "Philosophy".
Remove first-person usage from it.  Various wording tweaks.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator