Should retrieve an array of SDMODataEntry instance pointers. 
      Syntax
         
         
            - 
            (
            NSMutableArray *
            ) 
            
               getODataEntriesByCollection
            
            : 
            (
            NSString *
            ) 
            collectionName_in
         
      
      Parameters
         
         
            - 
               collectionName_in – 
               identifying the entries' collection
            
 
         
       
      Returns
         array of SDMODataEntry*