Update readme.md
Strict error PHP 5.4

In PHP 5.4 the strict error is showing in beforeRender, it is because this method does not have the same interface of Helper.php It was missing the $viewFile param
Merge pull request #19 from krolow/patch-2

Strict error PHP 5.4
Updating the readme.md
Updating the tests
Fixing unit tests
Adding .travis.yml
Merge branch 'develop' into release/1.1

Conflicts:
	readme.md
Merge branch 'release/1.1'