Add TODO.
Add TODO.
Add TODO.
Add -date flag for view date in widget.
After creating instance, use instance variables instead variables from arguments.
Remove TODO.
Rewrite $x variable to better $date_x variable.
Rewrite x positions of internal widgets to constants.
Rewrite 1900 to constant.
Rewrite '-' to constant.
Add TODO.
Release 0.03 version.
Prepare for 0.04 version.