refactoring registry and dereferencer
address pr comments. refactoring
param rename: block instead of function
include ConfigHelper into Dereferencer
fixing typo: forgot to require crichton/helpers in dereferencer
major refactoring. need testing
minor spec refactoring because of iterface change
fixing registry for specs to pass
removed extra empty line. fixed comment
fixing dereferencer spec
address PR comments
({}) => {}. and misc changes
include?(k)
removed parentheses
removed additional tap nesting in descriptor_registry
Merge pull request #83 from mdsol/feature/refactor_registry

refactoring registry and dereferencer