Log Message:
-----------
Catch IOError when opening data file from textreader (such as no such file or directory)
Modified Files:
--------------
pgloader/examples:
pgloader.conf (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgloader/pgloader/examples/pgloader.conf.diff?r1=1.7&r2=1.8)