* This plugin is made for easement of DOM search in jQuery.
 * It defines extra family relationships between elements for
 * easement of calling multiple relationship calls based on their
 * connectivity.


Currently available functions:

    * $(selector).grandpa()
    * $(selector).grandma() (same as above)
    * $(selector).grandchildren()
    * $(selector).uncle()
    * $(selector).aunt() (same as above)
    * $(selector).cousin()
    * $(selector).nephew()
    * $(selector).niece() (same as above)
    * $(selector).stepNephew()
    * $(selector).stepNiece() (same as above)
    * $(selector).stepCousin()


Demo: http://sandbox.teo.sk/jquery-family/