SortableCollection<KeyValuePair<int,int>> GetViewsByHour( bool includeZeros, DateTime fromDate )
Parameters
- includeZeros
 - If true hours with zero views are also included
 - fromDate
 - DateTime from which to start getting the views information
 
Return Value
A collection of Key Value pairs; each key representing an hour 
            and each value representing the number of views during that hour.