* Use namespace in configuration, as classes are now namespaced.
* Also use namespace in code for referenced to own sniffs.
* Do not use identifiers with further dots as this is no longer
supported, use ":" instead.
Relates: #82
* To make later checks easier, add the fully qualified object
identifier, to all object identifier tokens while tokenizing
TypoScript.
* Adjust tests accordingly.
* Add necessary autoloading.
Closes: #66
