Will Rossiter 8b92300622 Add support for many_many_extraField in YAML
Format is

RelationName:
  - =>Obj.name:
    ExtraFieldName: "Foo"
2014-02-24 22:03:53 +13:00
..
2013-05-14 22:06:02 +12:00
2012-09-21 14:56:56 +12:00