Log Message:-----------Fixed typo,and added a revision history.
Modified Files:-------------- psqlodbc/docs: release.html (r1.20 -> r1.21) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/docs/release.html.diff?r1=1.20&r2=1.21)
