Remove commented out code that was mistakenly left in
'irregardless', if it's a word at all, means the opposite of how it's meant here.
Merge pull request #905 from iguananaut/irregardless

'irregardless', if it's a word at all, means the opposite of how it's meant here
Merge pull request #903 from qwcode/home_lib

improve method for getting home scheme purelib
deal with pre-existing build dirs
pep8 comment fix