CodeSnip Old Code (SVN)

* Changed TDBDataItem to descend from TControlledConditionalFreeObject instead of TOwnedConditionalFreeObject.
* Changed test cases according to change in TDBDataItem.

Merged trunk changes 932-934 and 940-956 into the new-backend branch.

CodeSnip version 3.8.1

New text file that describes the compiler warning settings used by the CodeSnip project group.

Modified warning switches and settings to match those used in CodeSnip project as at r949 and r950.

Noted changes for release 3.8.1

Updated version number to 3.8.1.180

* Rationalised error handling in all tag parsing classes. All now use exceptions to report errors. LastErrorMessage properties all removed along with code that set the error message and returned function values to indicate an error.
* Tidied up some other code in unit.
* Flagged related TODO task as completed.

Removed {$WARN SYMBOL_PLATFORM OFF} compiler directives: these warnings now switched off globally.

Switched off "Symbol Platform" warning.