I've renamed the Text modules and their respective types - LRText becomes RotTextLR, CatText becomes DotTextLR.
Also I've made a loop path for automata diagrams. Currently it doesn't work with arrowheads as it has special behaviour for its start and end points - it might not really be a "connector" as the drawn positions of the start and end are synthesized from the center and a point on the circle's edge:
