anchor.diff:  
     grpc-gateway = buildFromGitHub {
       version = 2;
  -    rev = "fdcb7eab2d6ed4919e83ddcef4f199c161611e1f";
  +    rev = "0c0b378a74040eeb5ef415c5289258a193be0e94";
       owner = "grpc-ecosystem";
       repo = "grpc-gateway";
  -    sha256 = "1gmh56rl67qg25id2a0nwhszzwvajn9ba3rpczhx9vklics2396h";
  +    sha256 = "1pm8wy77qd2lfff0c947xrz6k81sy1l84kikrah1n4l2sqggr3sl";
       propagatedBuildInputs = [
         glog
         grpc
         net
         protobuf
       ];
  -    date = "2017-03-04";
  +    date = "2017-03-14";
     };
   
   
  
positive.code:     version = 2;
      owner = "ncw";
      repo = "rclone";
      rev = "c45c6049975806ba3981209ab3feaa5a20ab8209";
      sha256 = "0w4jn7wg6yf5w9nikzhpb9lqdj60haipv3hmlf3fa0x187cx8swx";
      propagatedBuildInputs = [
        aws-sdk-go
        cobra
  
negative.code:   };
  
    ratelimit = buildFromGitHub {
      version = 2;
      rev = "acf38b000a03e4ab89e40f20f1e548f4e6ac7f72";
      date = "2017-03-14";
      owner  = "juju";
      repo   = "ratelimit";
      sha256 = "04bir651ac5b0zgbl5hlhdxapsrz2l1xw1i4qncl5nnnbms3xysz";
    };
  
    raw = buildFromGitHub {
  