versionator.eclass: Ban in EAPI 7 (in favor of built-in funcs)

eclass/versionator.eclass

@@ -28,6 +28,13 @@
 if [[ -z ${_VERSIONATOR_ECLASS} ]]; then
 _VERSIONATOR_ECLASS=1
 
+case ${EAPI:-0} in
+	0|1|2|3|4|5|6)
+		;;
+	*)
+		die "${ECLASS}: banned in EAPI=${EAPI}; use ver_* instead";;
+esac
+
 inherit estack
 
 # @FUNCTION: get_all_version_components