Removed primed functions as all of them are properly threaded through unjson layers
Rename liftAeson to unjsonAeson
Bump version number to 0.2
Remove trailing whitespace
Remove arrayOf'
Export FieldDef and UnjsonDef, for testing and usage
Improve comment for array create
Define DisjointUnjsonDef
Implement parseUpdating for DisjoingUnjsonDef
Add tests for parseUpdating for DisjointUnjsonDef
Bump version number to 0.3