Documentation in progress

docs/CallablesCollections.md

@@ -28,12 +28,12 @@ Example Usage:
     $collection = new \VersatileCollections\CallablesCollection();
 
     // lines below should produce no exception since we are injecting callables
-    $collection->item1 = function() {
+    $collection[] = function() {
         return 'boo';
     };
-    $collection->item2 = 'strtolower';
-    $collection->item3 = [\DateTime::class, 'getLastErrors'];
-    $collection->item4 = [\DateTime::class, 'createFromFormat'];
+    $collection[] = 'strtolower';
+    $collection[] = [\DateTime::class, 'getLastErrors'];
+    $collection[] = [\DateTime::class, 'createFromFormat'];
 ```
 
 A couple good use-cases for this type of collection would be for implementing a 

docs/ObjectsCollections.md

@@ -52,6 +52,16 @@ return value of NULL for such calls.
 If the called method does not exist in one or more of the objects in the collection,
 an exception is thrown.
 
+>NOTE: methods registered to the collection via either **`addMethod`** or 
+**`addMethodForAllInstances`** having the same name as a method present in the
+objects in the collection will be called instead of the one in the objects. For
+example, if a method named **`save`** was registered via either **`addMethod`** or 
+**`addMethodForAllInstances`** on a collection object and that same collection
+contains objects that each also have a **`save`** method, when the save method
+is called on the collection, the method registered via **`addMethod`** or 
+**`addMethodForAllInstances`** will be executed instead of the save method 
+in each object in the collection.
+
 Example Usage:
 
 ```php