Replaced in-memory array with direct output.

Efficiency is about 10% faster thereafter for large output.
Updated with readability & accessibility tips from Janos.
A few more Janos-inspired changes.
Few spacing changes.
Merge branch 'master' of github.com:jmahmood/pyredbulk

* 'master' of github.com:jmahmood/pyredbulk:
  Update README.md
  Update README.md
  Update README.md
  Update README.md

Conflicts:
	README.md