Prevent undefined variable notice by changing "if($paramClass)" to "if(!empty($paramClass))"
Update ref.js

Changed expand key from 'x' to ESC
Fixed nesting issues
Handle for "unknown" types
Merge pull request #12 from joe-walker/master

Prevent undefined variable notice by changing "if($paramClass)" to "if(!...
Added composer.json file
"x" still expands, but it's now ignored in input fields
Added license info
Show backtrace location
Merge pull request #16 from ivosabev/master

Show backtrace location
removed scoped attribute