CodeSnip Old Code (SVN)

Renamed TSameTextEqualityComparer as TTextEqualityComparer and TSameStringEqualityComparer as TStringEqualityComparer and updated all using code accordingly.

Renamed various properties, fields, method names and parameter concerning category ids.

* 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 again all DB.* units that are concerned with physically reading and writing database info to and from the file system as DBIO.*.
* Affected units updated.