ObjectModel refactor

[bugs181]

Overview Progress:

• Add additional ObjectModel types
• Get rid of unnecessary looping for left-over schema
• De-duplicate code by using a protect() function
• Restructure code so it is easier to read and maintain
• Convert ObjectModel Errors to TypeErrors
• Detect getter/setters and copy them appropriately

Add additional ObjectModel types:

• Optional
• Array
• Null
• Undefined
• Falsey