adding the standard property 'forCallback' on objects of data collection
defining the callbacks workflow
Implementation of callbacks
Adding the apply method on the callback invoked
Adding the loopfunc configuration on JSHint
add callback standard and improves on visual of example page
new way of applying callbacks
wiping article
improves on example
code duplicated corrected
final polishing and readme file improves
Merge pull request #2 from viniciusalmeida/callbacksimplementation

Callbacks implementation