Several instruction fixes

Missing regular expression pieces
Added Test data
rake doc to create yard documentation
Shameless plug
A little documentation doesn't hurt does it?
Interpreter update

Mostly completing some of the instructions
Added bin/skinj2

I still need to document this, and get it to work properly when gem's
binary path
For some reason, I didn't update the gemspec at some point
Version back-bump

Because I was too hasty to hit 1.0.0
Forgot the .gitignore