CodeSnip Old Code (SVN)

* Added new StrSameStr, StrSameText, StrIsDelimiter and StrLastDelimiterPos routines to UStrUtils.
* Changed code that uses SysUtils AnsiSameStr, AnsiSameText, IsDelimiter and LastDelimiter to use equivalent new routines in UStrUtils instead.

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

* Moved TSnippetKind and TSnippetKinds from DB.USnippet unit to USnippetKindInfo.
* Updated all affected units.

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

Refactoring:
* Renamed numerous identifiers that refer to "routine" with those that refer to "snippets" where appropriate.
* Updated calling code where required.

Merged bug fixed version of UXMLDocHelper.pas from trunk as at r1111. Fixes problem with validation of XML processing instruction.

Development branch for CodeSnip release 4.

Initial source is a copy of v3.8.4 (r1075).