code: func (v *Object) GetBoolean(keys ...string) (bool, error) {
  	child, err := v.getPath(keys)
  
  	if err != nil {
  		return false, err
  	}
  	return child.Boolean()
  }
docs: // Gets the value at key path and attempts to typecast the value into a bool.
  // Returns error if the value is not a json boolean.
  // Example:
  //		married, err := GetBoolean("person", "married")