anchor.diff:      version = 3;
       owner = "boombuler";
       repo = "barcode";
  -    rev = "56ef0af91246fb5279df4f87bc3daf1bf7cb9e89";
  -    date = "2017-06-18";
  -    sha256 = "0d1nnzy9bflcfj0cmjqs07aj8f9an5hc041f3hr0m2hqfqs4qgzf";
  +    rev = "45e1f5ec9e3e4bb74da34aee9ae6cb6dec7a30c8";
  +    date = "2017-09-08";
  +    sha256 = "1rbnjygm919h9axff1wnsnja798ikcqmxhpv8k6vpsn85lgsri9p";
     };
   
     bigfft = buildFromGitHub {
  
positive.code:     version = 3;
      owner = "ncw";
      repo = "rclone";
      date = "2017-09-06";
      rev = "fe536f3fa8065d062f7fc69d29e0b331e1f24846";
      sha256 = "1dwcswqmv9yaahg9ac4jgiviijr91ldzhm3is376waclk8jxzfkl";
      propagatedBuildInputs = [
        aws-sdk-go
        #azure-sdk-for-go
  
negative.code: 
    decimal = buildFromGitHub {
      version = 3;
      rev = "aed1bfe463fa3c9cc268d60dcc1491db613bff7e";
      owner  = "shopspring";
      repo   = "decimal";
      sha256 = "1vdcdzpy0ay319pn69y4p7n6dpxvd3xr0j9mvfbnlzahygcmqdy4";
      date = "2017-09-11";
    };
  
    demangle = buildFromGitHub {
  