Replaced '#{_ID}' with ']I[' shortcut, which may or may not be permanent. Just don't rely on it for third-party code yet.
Fixed the _quoteString and encodeObject bugs
Removed IE6 and Symbian S60 support, as that wasn't maintained anyway.
Various IE-related issues solved
made timesheet item icons configurable, and updated the default icons by adding a checkmark icon
RSence-pre 2.3.0.21