use custom timestamp format
do not use `body` method
[views] insert <iframe>s to be used for output
[CSS] workarounds for browser oddities
[CSS] make <a class='btn'> appear as button
make some constants private
define widgets before routes

Maybe some constants defined in Widgets can be used to define Routes.
define modules to execute Core commands

Define modules inside Widgets through which Core commands can be executed, in particular by user requests.

Not at all sure if this is a good way to do, will need to experiment.
make "Execute" and "Description" buttons work
add COPYRIGHT
make "Help" and "About" buttons work