diff --git a/README.md b/README.md
index 4a5e783..f6b3079 100644
--- a/README.md
+++ b/README.md
@@ -26,3 +26,8 @@ development mode (credentials required)
 * git clone git@artcode.re:pvincent/debian-bash.git -C ~/DEV/BASH
 * sudo ln -s $HOME/DEV/BASH/debian-bash /opt/debian-bash
 * sudo /opt/debian-bash/install.sh --host
+
+useful library 
+--------------
+
+* source /opt/debian-bash/lib/functions.sh
diff --git a/tools/wget_semver b/tools/wget_semver
index 9d2b1e5..3aaf7ea 100755
--- a/tools/wget_semver
+++ b/tools/wget_semver
@@ -15,11 +15,19 @@ function usage {
 }
 
 function get_github {
-	release=$( git ls-remote --tags --sort="v:refname" \
-		git://github.com/$REPO_NAME \
+	local all_releases=$( git ls-remote --tags --sort="v:refname" git://github.com/$REPO_NAME )
+
+	# extract only VERSION without 'v'
+	local non_v_release=$( echo "$all_releases" \
+		| grep -v "refs/tags/v" | grep -v dev | grep -v rc | tail -n1 | cut -f2 | cut -d '/' -f3 )
+	non_v_release=${non_v_release%^\{\}} # remove extra characters ^{} from github
+	[ -n "$non_v_release" ] && echo $non_v_release && return
+	
+	# extract remaining version including 'v'
+	local v_release=$( echo "$all_releases" \
 		| grep -v dev | grep -v rc | tail -n1 | cut -f2 | cut -d '/' -f3 )
-	release=${release%^\{\}} # remove extra characters ^{} from github
-	echo $release
+	v_release=${v_release%^\{\}} # remove extra characters ^{} from github
+	echo $v_release
 }
 
 function get_artcode {