pir::die prints strange error message
pir::die replaced by pir::exit and say
nicer error message of &evalfiles
&evalfiles will print error msg to the STDERR
Revert "Merge pull request #30 from sergot/master"
This reverts commit 9903471, reversing
changes made to d44ab2e.
This actually didn't produce nicer error messages, just looped infinitely.