TODO.markdown in roar-0.11.15 vs TODO.markdown in roar-0.11.16

@@ -1,4 +1,5 @@
 * Add proxies, so nested models can be lazy-loaded.
 * move #prepare_links! call to #_links or something so it doesn't need to be called in #serialize.
 * alias Roar::Representer to Representer
-* remove #before_serialize and just overwrite #serialize
+* remove #before_serialize and just overwrite #serialize
+* abstract ::links_definition_options and move them out of the generic representers (JSON, XML). remove lambdas when :representer_exec calls methods in decorator ctx, also
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