lib/array.js
function fromIndex(a, index) {
    var arr = is.isArguments(a) ? arraySlice.call(a) : a;
    return arraySlice.call(arr, index, arr.length);
}
function fromIndex(a, index) {
    var arr = is.isArguments(a) ? arraySlice.call(a) : a;
    return arraySlice.call(arr, index, arr.length);
}
function fromIndex ( a , index ) { var arr = is . isArguments ( a ) ? arraySlice . call ( a ) : a ; return arraySlice . call ( arr , index , arr . length ) ; }
Return the items in between the passed in index
and the end of the array.

Luc.Array.fromIndex([1,2,3,4,5], 1)
>[2, 3, 4, 5]

@param  {Array/arguments} arr
@param  {Number} index
@return {Array} the new array.
Return the items in between the passed in index and the end of the array .