pub-util.js
function csv(arg) {
  return ( _.isArray(arg) ? arg :
           _.isObject(arg) ? _.values(arg) :
           [arg]).join(', ');
}
function csv(arg) {
  return ( _.isArray(arg) ? arg :
           _.isObject(arg) ? _.values(arg) :
           [arg]).join(', ');
}
function csv ( arg ) { return ( _ . isArray ( arg ) ? arg : _ . isObject ( arg ) ? _ . values ( arg ) : [ arg ] ) . join ( ', ' ) ; }
turns a vector into a single string of comma-separated values
turns a vector into a single string of comma - separated values