Fix an inverted conditional that was mistakenly inverted in the move to FailoverLoader and no reflection.
Add a proper test for FailoverLoader.
Rename TestOnlyModuleAdapter -> TestingModuleAdapter to line it up with TestingLoader.
Merge pull request #290 from cgruber/handleabstractparents

Fix conditional that was inadvertently inverted in the FailoverLoader re-work.
Merge branch 'master' into handleparentbindings
almost ready