add Unit/Function helper and FunctionProxy
add methods to access private/protected properties/methods
update readme
Fix not found route id in skipped test message
Merge pull request #23 from johnkary/routerHelperTypo

Fix not found route id in skipped test message
Merge pull request #21 from instaclick/function-helper-patch

add Unit/Function helper
Merge pull request #22 from robocoder/testable-functions-properties

Accessing private/protected methods/properties