Additional fixes for parsimonious > 0.5
Compatibility update ilmentufa/camxes 8441282

* space_interval fix (f1156b90) enables {ve'a vi'a}
* "Yy" fix (8ead471)
v0.7: compatibility with ilmentufa/camxes 8441282

* Fix false-positive slinku'is (thanks, durka42!)
* Add test sentence exposing camxes selbri tcita bug
* Parameterize parser in vlatai (enables reuse in loop)