anchor.diff:  ]
   
   Get all NAICS codes below in the hierarchy of the requested code.
  -GET /q?{?year,code,below}
  +GET /q{?year,code,below}
  +> Accept: application/json
   < 200
   < Content-Type: application/json
   [
  
positive.code: }
  
  Get a single NAICS code.
  GET /q?{?year,code}
  < 200
  < Content-Type: application/json
  {
  
negative.code: }
  
  Get all NAICS codes above in the hierarchy of the requested code.
  GET /q{?year,code,above}
  > Accept: application/json
  < 200
  < Content-Type: application/json
  [
  