Use string class_eval to simplify hook module declaration
Use string class_eval to simplify hook module declaration

* Call super with nothing is the same as passing up the args/block explicitly
* No point in setting args or blk since they aren't going to be used
  within the method. This does not affect the arguments super is called with.

ar-dm/ardm-types,troygnichols/dm-types,engineyard/dm-types,lgierth/dm-types,datamapper/dm-types