anchor.diff:  ensure_relx_version(Version, [{relx, H}|T]) ->
     [{relx, ensure_relx_version(Version, H)}|T];
   ensure_relx_version(Version, [{release, {Name, _}, Deps}|T]) ->
  -  [{release, {Name, Version}, Deps}|T];
  +  [{release, {Name, binary_to_list(Version)}, Deps}|T];
   ensure_relx_version(Version, [H|T]) ->
     [H|ensure_relx_version(Version, T)];
   ensure_relx_version(_Version, []) ->
  
positive.code:   [H|app_config(Version, T)];
  app_config(_Version, []) ->
    [].
  
negative.code:                         Name/binary, $/,
                          Name/binary, $-, Version/binary, ".tar.gz">>).
  
  
  release_config_filename() ->
    <<"rebar.config">>.
  