LogMessageBuilder check is Environment.NewLine when append string value.

fix LogMessageWriter.AppendGuid

more AppendFormatted.

UnitTestConsoleLogger with format.

fix wrong log level.

add ILogValue.IsScalar property to support scalar log value.

cleanup.

fix UnitTestConsoleLogger only show file name.

message only log methods.

Add UnitTestConsoleLogger for unit test.

continue LogMessageBuilder & Visitor.

finish NanoLogger.IsEnabled()

blog

continue LogTokenNode.

lc.