Function deepClone

Perform a deep clone of the given value.

This function supports cloning:

• Primitive types such as booleans, numbers and strings
• Arrays and objects
• Classes
• Date,
• Map,
• RegExp
• Set
• Symbol

The following values are NOT cloned:

• Error (and subclasses) - Cloned value will reference the same Error instance.
• DOM Node (and subclasses) - Cloned value will return the same DOM reference.
• Function (and arrow functions) - Cloned value will be an empty object {}