Merge pull request #8 from hackreactor/rearrange2

trying to make specs a little more clear
Merge branch 'rearrange' of https://github.com/hackreactor/recursion into rearrange
tweaks
wording
Replaced cdn libs
Updated getElementsByClassNameSpec; uses jQuery & converts nodelist to array
specs now search for correct class
Started testing and temporarily commented out extra tests for better readability
Implemented stringify, working on getElementsByClassName
implemented most of getElementsByClassName
finished getelementsbyclassname
Add a readme (automated commit)
Delete .DS_Store
Update README.md