CodeSnip Old Code (SVN)

* Removed TODO comments that simply documented changes made to compile with Delphi 2010.
* Removed any commented out code.

* Changed character set testing code in several units to use char set helper functions added to UUnicodeHelper.pas instead of testing directly against literal or constant sets. This prevents Delphi 2010 warnings about WideChar being reduced to byte char in set expressions.
* Changed use of UpCase built-in to use ToUpperCase function added to UUnicodeHelper.pas.
* Added various set handling routines along with ToUpperCase function. These mainly call TCharacter methods on Unicode Delphis and have custom implementations on other Delphis.

Merged trunk changes r401:429 into the delphi2010-port branch.

Development branch to make project compatible with Delphi 2010.