joh/when-changed — pull request #18 by chris-martin (2014-05-06 07:50:28+00:00)
Title: Also listen for move_to events

Some editors (namely, IntelliJ IDEA) save by writing to a temporary file
and then moving the temporary file to replace the file being edited.
Because when-changed wasn't listening for move events, it didn't notice
those file replacements.