| 3 added classes/operations | |||
                     
                 | 
                A | Collection::count() added | |
                     
                 | 
                A | Collection::except() added | |
                     
                 | 
                A | Collection::filterByKeys() added | |
| Head |      | 
                        
|---|---|
| ⋮ | 5 more commits | 
| Base |      |