Rewrite ambiguous description of the requirement that the top level be object or array.
Fix doc braino
Merge pull request #115 from cliffordbeshers/master

Tiny documentation patch, resolving small ambiguity.
Clarify the clarification
Split up the test modules
Add some basic tests for roundtrips via GHC generics
Merged master
Fix benchmarks/AesonCompareAutoInstances.hs