Get

		Returns the node of a specific key from the parent

		Arguments:
			key {str} -- The key to get
			default {mixed} Value to return if the key does not exist

		Returns:
			mixed

def get(self, key, default=None):
		"""Get

		Returns the node of a specific key from the parent

		Arguments:
			key {str} -- The key to get
			default {mixed} Value to return if the key does not exist

		Returns:
			mixed
		"""
		if key in self._nodes: return self._nodes[key]
		else: return default