added isDefined and isWrapped functions
added InitialPosition function
added global selectors and fixed InitialPosition function
added Animations function that triggers animationStart function
created main function Sidebar(); added isWrapped()
deleted isWrapped() function, now an if statement checks if the wrap option is set to true or false and tested
set initial position
added $fixedEl, $absolEl, $elements
added animateStart animation
added reset animation