anchor.diff:  
     go-ovh = buildFromGitHub {
       version = 2;
  -    rev = "99a1e00db4397517d87ab82c92b9d8cb60e5940b";
  +    rev = "a8a4c0bc40e56322142649bda7b2b4bb15145b6e";
       owner = "ovh";
       repo = "go-ovh";
  -    sha256 = "11mn7va77nq65w1i624cnxbsyqblww1jmcwxmqfm6m11zidpil5p";
  -    date = "2016-11-22";
  +    sha256 = "1vwilqd283sqlk4s1jva62hwlvj1fpfzja8sy9alvpf9p7p0fc2p";
  +    date = "2016-12-26";
       propagatedBuildInputs = [
         ini_v1
       ];
  
positive.code:     version = 2;
      owner = "sethgrid";
      repo = "pester";
      rev = "ab3a58f3fbc32058b25cf9e416272cf0097be523";
      date = "2016-12-02";
      sha256 = "1zvvkxxgirp0mcwnlddwpgsbziksnnlmsy38dq9gsb6lajr2r3ax";
    };
  
    pflag = buildFromGitHub {
  
negative.code:     subPackages = [
        "."
      ];
      date = "2016-12-27";
    };
  
    lemma = buildFromGitHub {
  