Add question metadata
Display basic questions (only checkboxes for now)

See #3
Change score based on checkboxes

BUGGY
Score yes/no questions correctly

* Added category check
* See #3
Display multiple-choice questions
Calculate multiple-choice questions

* Add default answer
* Change inner loop to use 'j' instead of 'i'
* Auto-select default choice for multiple-choice questions
Update version

0.9 -> 1.0alpha