anchor.diff:    };
   
     binarydist = buildFromGitHub {
  -    rev = "0.0.1";
  +    rev = "0.0.0";
       owner  = "kr";
       repo   = "binarydist";
       sha256 = "11wncbbbrdcxl5ff3h6w8vqfg4bxsf8709mh6vda0cv236flkyn3";
     };
   
     bitset = buildFromGitHub {
  -    rev = "0.0.1";
  +    rev = "0.0.0";
       date   = "2016-01-13";
       owner  = "willf";
       repo   = "bitset";
  
positive.code:   };
  
    oh = buildFromGitHub {
      rev = "0.0.1";
      date = "2015-11-21";
      owner = "michaelmacinnis";
      repo = "oh";
  
negative.code:   };
  
    google-api-go-client = buildFromGitHub {
      rev = "0.0.0";
      date = "2016-04-08";
      owner = "google";
      repo = "google-api-go-client";
  