Fix namespace typo 'PHPunit' to 'PHPUnit'
Follow changing ANSI output from PHPUnit

related commit-change
sebastianbergmann/phpunit@26999e577866feba0753e7f186c6b927f1d86b11
Follow changing printer output from PHPUnit

related commit-change
sebastianbergmann/phpunit@052a1ccf7152c94a585f9399badcc9c0c507f8b3
Merge pull request #4 from nishigori/#4-follow-changing-output-from-phpunit

Travis failed using PHPUnit as the latest (3.8.*@dev)
Merge pull request #3 from nishigori/fix-namespace-typo

Fix namespace typo 'PHPunit' to 'PHPUnit'