diff --git a/helper.sh b/helper.sh
index 1b633b6..e0ed2f7 100755
--- a/helper.sh
+++ b/helper.sh
@@ -8,6 +8,7 @@ if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
 		_get_heighest \
 		_default_sort \
 		_etools_print_assoc_array \
+		_debug_time \
 		_filter;
 	do
 		unset $function || echo "failed to unset function: $function"
@@ -33,7 +34,9 @@ function _formatted_find() {
 
 function _set_weights() {
 	for package in "${!_etools_packages[@]}"; do
-		for regex in ${!package_weights[@]}; do
+		# allow reference to sourced value
+		# shellcheck disable=SC2154
+		for regex in "${!package_weights[@]}"; do
 			if [[ $package =~ ^*${regex}*$ ]]; then
 				_etools_packages[$package]=${package_weights[$regex]}
 			fi
@@ -42,7 +45,6 @@ function _set_weights() {
 }
 
 function _get_heighest() {
-	# declare -n _etools_packages=$1
 	local max_key=""
     local max_value=-100
 
@@ -72,8 +74,9 @@ function _etools_print_assoc_array {
 }
 
 function _debug_time() {
-	local end_time=$(date +%s%3N)
-	echo $((end_time - start_time))
+	local end_time=
+	end_time=$(date +%s%3N)
+	echo $((end_time - $1))
 }
 
 function _filter() {
@@ -82,12 +85,10 @@ function _filter() {
 	(( $# <= 1 )) && ewarn "No packages found, review config options" && return 1;
 	declare -Ag _etools_packages
 	for package in "$@"; do
-		# allow indirect reference
-		# shellcheck disable=SC2034
 		package=${package//\"/}
-		base_name="${package##*/}"        # Get the last part
-		parent_name="${package%/*}"       # Remove the last part
-		parent_name="${parent_name##*/}"  # Get the second-to-last part
+		base_name="${package##*/}"
+		parent_name="${package%/*}"
+		parent_name="${parent_name##*/}"
 		_etools_packages["$parent_name/$base_name"]=0
 	done
 	local functions=