Note that you could optimise the Files code, but don't bother just yet
Move defaultRule under a deprecated section
#113, print info about copyFile' and removeFilesAfter at -V
Refactor the error messages in command, CSE a common prefix
#60, change the output for traced messages, hopefully less confusing
#60, if the command fails, include the current directory if set
#60, test that crashes include the current directory
#60, at --loud print out any change directory commands