anchor.diff:    isPy33 = python.channel == "3.3";
     isPy34 = python.channel == "3.4";
     isPy35 = python.channel == "3.5";
  +  isPy36 = python.channel == "3.6";
     isPyPy = python.executable == "pypy";
     isPy3k = strings.substring 0 1 python.channel == "3";
   
  
positive.code:       "python34"
      else if isPy35 then
        "python35"
      else if isPyPy then
        "pypy"
      else
  
negative.code:     isPy33
      isPy34
      isPy35
      isPy36
      isPyPy
      isPy3k
      python
  