anchor.diff:      version = 2;
       owner = "pelletier";
       repo = "go-toml";
  -    rev = "13d49d4606eb801b8f01ae542b4afc4c6ee3d84a";
  -    sha256 = "1hw0pgb2410h3rbq7bk3c5lfmsg2rci1xfaxzpwfjjxzgq0fg9y0";
  +    rev = "fee7787d3f811af92276f5ff10107092e95b7a1d";
  +    sha256 = "1zahmnln75zxy6vgh39y0cyw8kakxn36bvpdjlwwnj4mn8il7974";
       propagatedBuildInputs = [
         go-buffruneio
       ];
       meta.useUnstable = true;
  -    date = "2017-03-02";
  +    date = "2017-03-14";
     };
   
     go-units = buildFromGitHub {
  
positive.code:     version = 2;
      owner = "gogo";
      repo = "protobuf";
      rev = "100ba4e885062801d56799d78530b73b178a78f3";
      sha256 = "06chydld9c9pwy65zg2sfs1ccq992dq7liqni25gbx5j6vqgv4rw";
      excludedPackages = "test";
      date = "2017-03-07";
    };
  
    pty = buildFromGitHub {
  
negative.code:     repo   = "cronexpr";
      sha256 = "0cjnck67s18sdrlx8cv0yys5vaf1sknywbzd2dyq2l144cjrsj7h";
      date = "2016-12-05";
    };
  
    cuckoo = buildFromGitHub {
      version = 2;
      rev = "44c50ab64b38d3a9e59e352d1f316ba363d66d3b";
      owner  = "tildeleb";
      repo   = "cuckoo";
      sha256 = "12q72scaa5h3dnzf9qhj5a75nzg4dq6ahlfsfvwa6rra0x9ylap6";
      date = "2016-12-04";
      goPackagePath = "leb.io/cuckoo";
      goPackageAliases = [
        "github.com/tildeleb/cuckoo"
      ];
      excludedPackages = "\\(example\\|dstest\\|primes/primes\\)";
      propagatedBuildInputs = [
        aeshash
        binary
      ];
    };
  
    crypt = buildFromGitHub {
  