diff --git a/lib/ulib/semver b/lib/ulib/semver
index 5c96594..5b04956 100644
--- a/lib/ulib/semver
+++ b/lib/ulib/semver
@@ -14,12 +14,12 @@ function semver_parse() {
     local __p_ma="${2:-major}" __p_mi="${3:-minor}" __p_pl="${4:-patchlevel}"
     local __p_pr="${5:-prelease}" __p_md="${6:-metadata}" __p_va="${7:-valid}"
     local __p_tmp
-    set_var "$__p_ma" ""
-    set_var "$__p_mi" ""
-    set_var "$__p_pl" ""
+    setv "$__p_ma" ""
+    setv "$__p_mi" ""
+    setv "$__p_pl" ""
     array_new "$__p_pr"
     array_new "$__p_md"
-    set_var "$__p_va" ""
+    setv "$__p_va" ""
 
     # vérifier les caractères valides
     __semver_check_version "$__p_ver" || return 1
@@ -32,7 +32,7 @@ function semver_parse() {
     done
     [ "${__p_ver:0:1}" == . ] || return 1
     __p_ver="${__p_ver:1}"
-    set_var "$__p_ma" "$__p_tmp"
+    setv "$__p_ma" "$__p_tmp"
     
     # extraire minor
     __p_tmp=
@@ -42,7 +42,7 @@ function semver_parse() {
     done
     [ "${__p_ver:0:1}" == . ] || return 1
     __p_ver="${__p_ver:1}"
-    set_var "$__p_mi" "$__p_tmp"
+    setv "$__p_mi" "$__p_tmp"
 
     # extraire patchlevel
     __p_tmp=
@@ -51,7 +51,7 @@ function semver_parse() {
         __p_ver="${__p_ver:1}"
     done
     [ -z "$__p_ver" -o "${__p_ver:0:1}" == - -o "${__p_ver:0:1}" == + ] || return 1
-    set_var "$__p_pl" "$__p_tmp"
+    setv "$__p_pl" "$__p_tmp"
 
     # extraire prelease
     if [ "${__p_ver:0:1}" == - ]; then
@@ -79,25 +79,25 @@ function semver_parse() {
     # on doit avoir tout analysé
     [ -z "$__p_ver" ] || return 1
 
-    set_var "$__p_va" 1
+    setv "$__p_va" 1
     return 0
 }
 
 function semver_incmajor() {
-    set_var "$1" $((${!1} + 1))
-    set_var "$2" 0
-    set_var "$3" 0
+    setv "$1" $((${!1} + 1))
+    setv "$2" 0
+    setv "$3" 0
     array_new "$4"
 }
 
 function semver_incminor() {
-    set_var "$2" $((${!2} + 1))
-    set_var "$3" 0
+    setv "$2" $((${!2} + 1))
+    setv "$3" 0
     array_new "$4"
 }
 
 function semver_incpatchlevel() {
-    set_var "$3" $((${!3} + 1))
+    setv "$3" $((${!3} + 1))
     array_new "$4"
 }
 
@@ -105,9 +105,9 @@ function semver_setversion() {
     local __sv_ma __sv_mi __sv_svl __sv_svr __sv_md __sv_va
     semver_parse "$1" __sv_ma __sv_mi __sv_pl __sv_pr __sv_md __sv_va
     [ -n "$__sv_va" ] || return 1
-    set_var "$2" "$__sv_ma"
-    set_var "$3" "$__sv_mi"
-    set_var "$4" "$__sv_pl"
+    setv "$2" "$__sv_ma"
+    setv "$3" "$__sv_mi"
+    setv "$4" "$__sv_pl"
     return 0
 }
 
@@ -188,28 +188,38 @@ function semver_setmetadata() {
     return 0
 }
 
+function semver_addmetadata() {
+    if [ -n "$1" ]; then
+        __semver_check_metadata "$1" || return 1
+        local -a __sam_metadata
+        array_split __sam_metadata "$1" .
+        array_extend "$6" __sam_metadata
+    fi
+    return 0
+}
+
 function semver_compare_metadata() {
     # même algo que pour prelease
     semver_compare_prelease "$@"
 }
 
 function semver_copy() {
-    set_var "$1" "${!6}"
-    set_var "$2" "${!7}"
-    set_var "$3" "${!8}"
+    setv "$1" "${!6}"
+    setv "$2" "${!7}"
+    setv "$3" "${!8}"
     array_copy "$4" "$9"
     array_copy "$5" "${10}"
 }
 
 function semver_build() {
     echo_ "${!1}.${!2}.${!3}"
-    array_isempty "$4" || rawecho_ "-$(array_join "$4" .)"
-    array_isempty "$5" || rawecho_ "+$(array_join "$5" .)"
+    array_isempty "$4" || recho_ "-$(array_join "$4" .)"
+    array_isempty "$5" || recho_ "+$(array_join "$5" .)"
     echo ""
 }
 
 function semver_setvar() {
-    set_var "$1" "$(semver_build "$2" "$3" "$4" "$5" "$6")"
+    setv "$1" "$(semver_build "$2" "$3" "$4" "$5" "$6")"
 }
 
 ################################################################################
@@ -225,6 +235,7 @@ function psemver_setversion() { semver_setversion "$1" "${2}major" "${2}minor" "
 function psemver_setprelease() { semver_setprelease "$1" "${2}major" "${2}minor" "${2}patchlevel" "${2}prelease" "${2}metadata"; }
 function psemver_compare_prelease() { semver_compare_prelease "${1}prelease" "${2}prelease"; }
 function psemver_setmetadata() { semver_setmetadata "$1" "${2}major" "${2}minor" "${2}patchlevel" "${2}prelease" "${2}metadata"; }
+function psemver_addmetadata() { semver_addmetadata "$1" "${2}major" "${2}minor" "${2}patchlevel" "${2}prelease" "${2}metadata"; }
 function psemver_compare_metadata() { semver_compare_metadata "${1}metadata" "${2}metadata"; }
 function psemver_copy() { semver_copy "${1}major" "${1}minor" "${1}patchlevel" "${1}prelease" "${1}metadata" "${2}major" "${2}minor" "${2}patchlevel" "${2}prelease" "${2}metadata"; }
 function psemver_build() { semver_build "${1}major" "${1}minor" "${1}patchlevel" "${1}prelease" "${1}metadata"; }