This adds sugar for logging `Result`s with a handler, makes names evoke something closer to "logging" than "warning", tries to remove any redundant `Logging` where the module name will do, and introduces a type strictly for bad things happening.
Sizes of widgets can be derived, so storing them was only for C compatibility. Similar with storing position inside of widgets.
Some layout margin and scaling changes could be introduced, meaning a possibility of visual differences.
