Implement New Object Literal Syntax

[ChaosPandion]

Specification Section 11.1.5

ObjectLiteral : 
	{ } 
	{ PropertyNameAndValueList } 
	{ PropertyNameAndValueList , } 

PropertyNameAndValueList : 
	PropertyAssignment 
	PropertyNameAndValueList , PropertyAssignment 

PropertyAssignment : 
	PropertyName : AssignmentExpression 
	get PropertyName ( ) { FunctionBody } 
	set PropertyName ( PropertySetParameterList ) { FunctionBody } 

PropertyName : 
	IdentifierName 
	StringLiteral 
	NumericLiteral 

PropertySetParameterList : 
	Identifier