Completed MacroFieldLens
Added universe type to Introspector, and fixed tests
Working on lenses
Refactored introspector into an anonymous instance so that we can handle recursive types and multi threading more easily.
Implemented stack recursive types
Comply to new Introspector constructor
Comply to new Introspector constructor
style
Working on MethodHandleFieldLens
Fixed correct type for method fields
Fixed invocation of MH
Added test for the MethodHandleLensProvider
Reify field lens to method handles
Working on recursive structures
WIP