Hi, I've tested the new version of KeePass, no changes need to the ebuild. Just rename it to keepass-2.20.1.ebuild.
*keepass-2.20.1 (08 Oct 2012) 08 Oct 2012; Michael Palimaka <kensington@gentoo.org> +keepass-2.20.1.ebuild, -files/keepass-2.19-skip-sgen-if-unix.patch, -files/keepass-2.19-xsl-path-detection.patch, -keepass-2.19.ebuild, -keepass-2.20.ebuild: Version bump. Remove old.