Pull in the development version of zodbpickle which has recent changes which...

Pull in the development version of zodbpickle which has recent changes which allow tests to pass at this time.

buildout.cfg

 [buildout]
+extensions = mr.developer
 develop = .
 parts =
     test
     scripts
 versions = versions
+always-checkout = true
+auto-checkout = *
 
 [versions]
 zc.recipe.testrunner = 2.0.0
@@ -15,6 +18,9 @@ persistent = 4.0.6
 transaction = 1.4.1
 zdaemon = 4.0.0a1
 
+[sources]
+zodbpickle = git https://github.com/zopefoundation/zodbpickle.git
+
 [test]
 recipe = zc.recipe.testrunner
 eggs =