CodeSnip Old Code (SVN)

* Renamed USnippetKindInfo unit as DB.SnippetKind.
* Updated all using units.

* Extracted code that deals with categories and category lists from USnippets into new DB.UCategory unit.
* Modified affected code accordingly.

* Extracted code that deals with snippets and snippet lists from USnippets into new DB.USnippet unit.
* Modified affected code accordingly.

Added new IView.IsGrouping method and implementations.

* Added new IView.IsUserDefined method and implementations.
* Did some "encapsulate field" refactorings.
* Some field renaming refactorings.

Modified and corrected comments that refer to routines when they should refer to snippets.

Refactoring: Renamed TRoutine, TRoutineEx and TTempRoutine to TSnippet, TSnippetEx and TTempSnippet.

* TInitialLetterViewItem.IsEqual changed to compare on TInitialLetter record instead of character.
* Completed and corrected XMLDoc commenting.
* Removed various TODOs.

* Added IViewKey interface and implementations for each type of view.
* Added GetKey method to IView.

* Renamed UAlphabet unit as UInitialLetter and completely rewrote and simplified it.
* Modified units using UInitialLetter unit as necessary re changes.
* Modified TAlphaGroupItem and TAlphaGrouping to accept any upper case Unicode character instead of just "A".."Z" and "_". Uses natural sorting so, for example "Ö" sorts between "O" and "P". Now scans all snippets to build list of initial letters.