2007-08-19 Vladimir Krasnov * IKeyMapper.cs: added GetValue to access the connection strings dictionary 2007-08-14 Vladimir Krasnov * KeyMapperBase.cs: performance optimizations 2006-10-10 Konstantin Triger * KeyMapperBase.cs: Add support for "|DataDirectory|" substitution string. 2006-05-25 Konstantin Triger * ProvidersSectionHandler.cs: support configuration hierarchy merge.