anchor.diff:      sha256 = "0gkgkw04ndr5y7hrdy0r4v2drs5srwfcw2bs1gyas066hwl84xyw";
     };
   
  +  urlesc = buildFromGitHub {
  +    rev    = "5fa9ff0392746aeae1c4b37fcc42c65afa7a9587";
  +    owner  = "opennota";
  +    repo   = "urlesc";
  +    sha256 = "0dppkmfs0hb5vcqli191x9yss5vvlx29qxjcywhdfirc89rn0sni";
  +  };
  +
     usb = buildFromGitHub rec {
       rev = "69aee4530ac705cec7c5344418d982aaf15cf0b1";
       date = "2014-12-17";
  
positive.code:     sha256 = "11wncbbbrdcxl5ff3h6w8vqfg4bxsf8709mh6vda0cv236flkyn3";
    };
  
    bolt = buildFromGitHub {
      rev    = "957d850b5158a4eebf915476058e720f43459584";
      owner  = "boltdb";
  
negative.code:     sha256 = "00rrjysmq898qcrf2hfwfh9s70vwvmjx2kp5w03nz1krxa4zhrkl";
    };
  
    hugo = buildFromGitHub {
      rev    = "v0.15";
      owner  = "spf13";
      repo   = "hugo";
      sha256 = "1v0z9ar5kakhib3c3c43ddwd1ga4b8icirg6kk3cnaqfckd638l5";
      buildInputs = [
        mapstructure text websocket cobra osext fsnotify.v1 afero
        jwalterweatherman cast viper yaml-v2 ace purell mmark blackfriday amber
        cssmin nitro inflect fsync
      ];
    };
  
    inf = buildFromGitHub {
      rev    = "c85f1217d51339c0fa3a498cc8b2075de695dae6";
      owner  = "go-inf";
  