Completion of 'comprehension' challege.

This challenge took me about thirty minutes to complete.
Completion of 'strpos' challenge.

This challenge took me about an hour and a half. My primary resourse
for this was the PHP documentation.
Completion of 'THE BOX' challenge.

This challange took me about two hours and fifteen minutes to complete.
Merge branch 'thebox'
Merge branch 'comprehension'
Merge branch 'strpos'