Move error logging within retry
Move error logging within retry

Logging needs to be around the execute call s.t. we can see why Redshift rejected
the load based on stl load errors.

harrystech/arthur-redshift-etl,harrystech/arthur-redshift-etl,harrystech/arthur-redshift-etl,harrystech/arthur-redshift-etl,harrystech/arthur-redshift-etl