anchor.diff:  
   ECHO ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ %~f0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   
  -IF /I "%msvs_toolset%"=="" ECHO msvs_toolset unset, defaulting to 12 && SET msvs_toolset=12
  -SET NODE_MAJOR=%nodejs_version:~0,1%
  -IF %NODE_MAJOR% GTR 4 ECHO detected node v5, forcing msvs_toolset 14 && SET msvs_toolset=14
  +IF /I "%msvs_toolset%"=="" ECHO msvs_toolset unset, defaulting to 14 && SET msvs_toolset=14
  +IF /I "%msvs_version%"=="" ECHO msvs_version unset, defaulting to 2015 && SET msvs_version=2015
   
   SET PATH=%CD%;%PATH%
  -SET msvs_version=2015
   IF "%msvs_toolset%"=="12" SET msvs_version=2013
  -
   
   ECHO APPVEYOR^: %APPVEYOR%
   ECHO nodejs_version^: %nodejs_version%
  
positive.code: ECHO msvs_toolset^: %msvs_toolset%
  ECHO msvs_version^: %msvs_version%
  ECHO TOOLSET_ARGS^: %TOOLSET_ARGS%
  
  
  ECHO activating VS command prompt
  :: NOTE this call makes the x64 -> X64
  
negative.code: 
  ECHO calling npm test
  CALL npm test
  ECHO ==========================================
  ECHO ==========================================
  ECHO ==========================================
  