Set version 0.4, and strictly require Varnish 5.0.0.

README.rst

@@ -323,7 +323,9 @@ deleted. There is no error message.
 REQUIREMENTS
 ============
 
-This VMOD requires Varnish 5.0.0 or later.
+This VMOD requires Varnish 5.0.0. See the source repository for
+versions of the VMOD that are compatible with other versions of
+Varnish.
 
 INSTALLATION
 ============

configure.ac

 AC_PREREQ(2.59)
 AC_COPYRIGHT([Copyright (c) 2015 UPLEX Nils Goroll Systemoptimierung])
-AC_INIT([VMOD backend_dyn], [trunk], [varnish-support@uplex.de],
+AC_INIT([VMOD backend_dyn], [0.4], [varnish-support@uplex.de],
         [libvmod-backend_dyn],
 	[https://code.uplex.de/uplex-varnish/libvmod-gcrypt])
 AC_CONFIG_MACRO_DIR([m4])
@@ -59,7 +59,7 @@ AS_VAR_IF([$1], [""], [$5], [$4])dnl
 ])# PKG_CHECK_VAR
 ])
 
-PKG_CHECK_MODULES([libvarnishapi], [varnishapi >= 5.0.0])
+PKG_CHECK_MODULES([libvarnishapi], [varnishapi = 5.0.0])
 PKG_CHECK_VAR([LIBVARNISHAPI_PREFIX], [varnishapi], [prefix])
 PKG_CHECK_VAR([LIBVARNISHAPI_DATAROOTDIR], [varnishapi], [datarootdir])
 PKG_CHECK_VAR([LIBVARNISHAPI_BINDIR], [varnishapi], [bindir])

src/vmod.vcc

@@ -274,7 +274,9 @@ deleted. There is no error message.
 REQUIREMENTS
 ============
 
-This VMOD requires Varnish 5.0.0 or later.
+This VMOD requires Varnish 5.0.0. See the source repository for
+versions of the VMOD that are compatible with other versions of
+Varnish.
 
 INSTALLATION
 ============