Fix exception logging

Adds exception type to the exception logging.
Removes the extra logging for autoreload in debug mode, since `raise`
will make it caught by the global `try/except` below and it'll be
logged there.

This replaces #1723 and also removes extra exception logging caused
in #1718.

pelican/__init__.py

@@ -444,7 +444,6 @@ def main():
 
                 except Exception as e:
                     if (args.verbosity == logging.DEBUG):
-                        logger.critical('Internal failure: %r', e, exc_info=True)
                         raise
                     logger.warning(
                         'Caught exception "%s". Reloading.', e)