try -ErrorAction Stop to actually fail on error
next try: exit on error
fix syntax error
test error handling facilities
throw earlier
use semantic error
doh
partial revert
don't throw too early
to use local script, really have to checkout first
leave date
Merge branch 'master' into exit-code

Conflicts:
	appveyor.yml
Merge branch 'master' into exit-code
un-try
add error action
re with InvokeExpression
fix
cmdlet binding
exec as string
no error action