validating object.impassable method
Merge pull request #176 from CaitSith2/master

Other possible solution, given the latest validations.
Update and rename 14_crisps_Contest.md to 14_crisps_contest.md
check that levelNum <= num levels in getLevel - should fix #148
media queries for portrait displays - #129
Merge pull request #3 from AlexNisnevich/master

merge