atherton-suggested improvements to tutorial
Merge pull request #23 from shackbarth/master

freeze
added directory structure
updated tutorial
bugfix markdown list
update tutorial
updated testing part of the tutorial
moved down the testing tutorial
add extension wrappers
added warning about directories
touchup part 1
touchup parts 2 and 3
undo reverts
Merge pull request #24 from shackbarth/tutorial

Tutorial improvements
bump 1.4.3