Description
      The find method builds and executes the current Query, 
      based on the object variables and any 
      WhereAdd() conditions , 
      If the AutoFetch is TRUE, then it will also call the fetch method automatically.
      
    
Return value
     int - number of rows found, only if the database backend supports the numRows() method. 
		Otherwise 1 (or in versions after 1.7.13, true will returned)