CodeSnip Old Code (SVN)

Added new TSortedObjectDictionary class along with associated unit tests.

Added new TSortedObjectList class (that derives from TSortedList) to UContainers and updated unit tests to test the additional features added to the new class.

* Renamed TOrderedDictionary and TSortedDictionary and TOrderedList as TSortedList.
* Updated unit tests to use renamed classes.

Commented the unit's classes.

* Added Items and ItemsByIndex properties to TOrderedDictionary.
* Re-implemented Keys and Values properties of TOrderedDictionary as enumerable collections and removed ValuesByIndex property.
* Added internal, public TKeyCollection, TKeyEnumerator, TValueCollection and TValueEnumerator classes to TOrderedDictionary.
* Updated TestUOrderedDictionary unit re changes and additions to TOrderedDictionary.
* Removed commented out code and implemented TODOs

Changed TOrderedDictionary and TOrderedList to descend from TEnumerable<T>.

Added public convenience TPairEnumerator type to TOrderedDictionary for type of enumerator that enumerates all key=value pairs in dictionary.

* Added change notification events to TOrderedDictionary and TOrderedList.
* Added tests for these new events to unit tests.

* Copied TOrderedDictionary from UOrderedDictionary.pas to UContainers.pas.
* Deleted UOrderedDictionary.pas and removed from unit test project.
* Modified source files that referenced UOrderedDictionary.pas as required.

* Moved UOrderedList.pas from Src/Experimental directory into Src directory and renamed as UContainers.pas. This renamed unit will receive other container classes.
* Updated various source files re change of unit name.
* Added UContainers.pas to the main CodeSnip project.