Removed debugging code.
Minor XML fix.
Make composer autoloader include qp() functions

- Move qp() functions into qp_functions.php file.
- Update composer.json to include qp_functions.php for qp() functions.
- Update README to reflect changes
- Related Issue #100
Merge pull request #105 from hakre/patch-2

Make composer autoloader include qp() functions
Merge pull request #104 from hakre/patch-1

Minor XML fix.
Merge branch 'master' into 3.x
Added hakre to credits.