Merge pull request #14 from Perunity-PyGroup/origin

Fixed an indent problem.
Merge branch 'master' of https://github.com/Perunity-PyGroup/perunity2048
Merge branch 'features/refactor' of https://github.com/Perunity-PyGroup/perunity2048 into refactor
Minor fromat changes to conform to PEP8 standard.