code: function ifBelongsToParent(parentSection, section) {
      var belongs = true;
      parentSection = parentSection && parentSection.split('.');
      section = section.split('.');
  
      parentSection && parentSection.forEach(function(val, n) {
        if (val !== section[n]) {
          belongs = false;
        }
      });
      return belongs;
    }
docs: /*function isEqual(left, right) {
  var findZeros = /^(\d+(?:\.\d+)*?)((?:\.0)*)$/;
  Remove ending zeros
  left = left.match(findZeros);
  if (left !== null) {
  left = left[1];
  } else {
  return false;
  }
  right = right.match(findZeros);
  if (right !== null) {
  right = right[1];
  } else {
  return false;
  }
  
  return (left === right);
  }