This adds documentation to add() describing what happens when a source is registered in multiple pollers. A test is also added to ensure this behavior.
Huh, weird, apparently that doesn't work for Windows? Not sure if that is an AFD implementation detail or not. Oh well, it's easy enough to paper over.
This adds documentation to add() describing what happens when a source is registered in multiple pollers. A test is also added to ensure this behavior.
Closes #81