Interface for qBeta module object

Origin: demo

BinTree: obj
   %include LIB.stringLib
   xBinTree:
      node:
         left: ref node
         right: ref node
         insert:
            in S: ref String
      root: ref node
      insert:
      scanner:
         CV: ref String
         next:
            out V: ref String
            scn: ref Scanner
         scan:
      sc: obj scanner
   boys: obj xBinTree
   girls: obj xBinTree
   merge:
      B: ref String
      G: ref String
      tail:
      loop: