Improved error handling, no crashes on 'soft' errors
Improved error handling, no crashes on 'soft' errors

Previously a short-lived process could die while scanning
processes, causing a read-error to bubble up to a process
panic. Now these 'soft' errors can be detected, and merely
ignored. General errors are now also more informative.

keeperofdakeys/Process-Query,keeperofdakeys/Process-Query