Tests for wire formats. ResponseConflicted currently failing.
Fix Binary instance for ResponseConflicted

The WireFormat test still fails, but this seems to be FromJSON/ToJSON.
Modify Arbitrary instance for GenericTrie

The GenericTrie is only used for `Document`s, where this is an invariant.
resize recursive arbitrary calls
Merge remote-tracking branch 'origin/master' into wip-wire-format-tests

Conflicts:
	lib/Retcon/Network/Server.hs
Merge pull request #93 from anchor/wip-wire-format-tests

Tests for wire formats. ResponseConflicted currently failing.