Update to LookingGlass version 0.75

Changes:
Updates to metagen
	Modified how operators are reflected so that they are 
		treated only as methods
	Autogenerate methods to allow support for changing values 
		through the [] operator (i.e. x[i] = 0;)
	Autogenerate methods to allow safe copying of return values
		from methods
	Improved documentation
	Various bug fixes