From File

		Loads a JSON file and creates a Node instance from it

		Args:
			filename (str): The filename to load

		Returns:
			_NodeInterface

def fromFile(cls, filename):
		"""From File

		Loads a JSON file and creates a Node instance from it

		Args:
			filename (str): The filename to load

		Returns:
			_NodeInterface
		"""

		# Load the file
		oFile = open(filename)

		# Convert it to a dictionary
		dDetails = JSON.decodef(oFile)

		# Create and return the new instance
		return cls(dDetails)