Merge pull request #152 from mitogh/master

Update testo to use the guidelines from betterspecs.org
Speling/terminology correction; string payload
Quick Sort with Ruby, tested with rspec
Factorial in Objective-C
Merge pull request #155 from intoxicated/master

Factorial in Objective-C
Merge pull request #154 from mitogh/Quick-Sort-Ruby

Quick Sort with Ruby, tested with rspec
Merge pull request #153 from CharmlessCoin/master

Spelling/terminology correction; string payload
Added tags file for Factorial and shell script to create tag files
Merge pull request #156 from jcla1/tags

Added tags file for Factorial and shell script to create tag files