Update RPM packaging for the new integer feature.

Also strictly require Varnish 6.1.

pkg/rpm/vmod-selector.spec

 # -D MUST pass in _version and _release, and SHOULD pass in dist.
 
-Summary: Varnish VMOD for matching strings associated with backends, regexen and other strings
+Summary: Varnish VMOD for matching strings associated with backends, regexen and other data
 Name: vmod-selector
 Version: %{_version}
 Release: %{_release}%{?dist}
@@ -10,10 +10,10 @@ URL: https://code.uplex.de/uplex-varnish/libvmod-selector
 Source0: %{name}-%{version}.tar.gz
 
 # varnish from varnish61 at packagecloud
-# This is the Requires for VMOD ABI compatibility with VRT >= 8.0.
-Requires: varnishd(vrt)%{?_isa} >= 8
+# VMOD ABI compatibility with VRT 8.x.
+Requires: varnishd(vrt)%{?_isa} >= 8, varnishd(vrt)%{?_isa} < 9
 
-BuildRequires: varnish-devel >= 6.1.0
+BuildRequires: varnish-devel >= 6.1.0, varnish-devel < 6.2.0
 BuildRequires: pkgconfig
 BuildRequires: make
 BuildRequires: gcc
@@ -30,8 +30,8 @@ Provides: vmod-selector, vmod-selector-debuginfo
 
 %description
 Varnish Module for matching fixed strings and prefixes, and
-associating the matched string with backends, regular expressions and
-other strings.
+associating the matched string with backends, regular expressions,
+other strings, and integers.
 
 %prep
 %setup -q -n %{name}-%{version}
@@ -73,7 +73,10 @@ rm -rf %{buildroot}
 /sbin/ldconfig
 
 %changelog
-* Fri Nov 30 2018 Geoff Simmons <geoff@uplex.de> - %{_version}-%{_release}
+* Fri Aug 23 2019 Geoff Simmons <geoff@uplex.de> - %{_version}-%{_release}
+  Add the association of set elements with integers.
+
+* Tue Jul 10 2018 Geoff Simmons <geoff@uplex.de> - 1.0.0-1
   Compatibilty with VRT 8 (Varnish 6.1 and libvarnishapi.so.2)
 
 * Tue Jul 10 2018 Geoff Simmons <geoff@uplex.de> - 0.5.0-1