[CVS ci] Pie-thon 1 - recursion limit

[Leopold Toetsch]

b1.py calls recursively functions, the depth is limited by the 
interpreter, which throws a RuntimeException at recursion depth 1000. So 
does Parrot now.

The limit can be change by:
  $P0 = getinterp
  .local int new_limit
  .local int old_limit
  new_limit = 4711
  old_limit = $P0."recursion_limit"(new_limit)
leo