modified the _.paths method so it can return namespace paths of nested array elements
modified the _.paths method so it returns namespace paths for arrays and objects
modified _.paths to return object referencing values OR property names based on boolean argument 'keys'
_.paths is now a collection method
added deep search functionality to _.indexOf method
refined the _.at method
refined the _.compact method
fixed bug in _.indexOf methof preventing 'from' argument from having effect during deep iterations
added deep search functionality to the _.intersection method
added deep iteration functionality to the _.first method
removed usage of _.tail method from the _.deep method
added deep iteration functionality to the _.rest method
added deep iteration functionality to the _.without method
added deep iteration functionality to the _.uniq method
added deep iteration functionality to the _.lastIndexOf method