Setup with Gemfile and RSpec
First iteration of has many associations
Refactor tests so nested / recursive assocations can be tested
User has many posts which has mamy comments
Stackoverflow because recursive associations
Lazy loading to prevent stack overflow
More deep assocaition tests
Has many through associations
TODO for composing has many through associations
I'm calling it SequelMapper

* Wrap in module
* Rename classes
* Separate out some classes / modules
Remove fixture data from graph traversal spec
Insert and update for MockSequel::Relation
Handle basic case of isolated root node modification
Update shallow has many association

* Implement identity map
Additonal identity map test
Modify a deeply nested object
Handle changing a foreign key on a child record
Remove objects from has many collection

* Add AssocationProxy with remove method
Remove nodes from many to many associations
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