diff --git a/lib/loader.ksh b/lib/loader.ksh
index a1dd730..e8e79cf 100644
--- a/lib/loader.ksh
+++ b/lib/loader.ksh
@@ -1,15 +1,14 @@
 #!/bin/ksh
 
-extension_loaded() {
-	#${DEBUG}
-	local _ext=$1
+_loaded() {
+	${DEBUG}
+	local _val=$1 _set
 
-	for c in ${extensions[@]}; do
-		if [ "${c}" == "${_ext}" ]; then
-			return 1
-		fi
+	shift
+	for _set; do
+		[[ $_val == "$_set" ]] && return 0
 	done
-	return 0
+	return 1
 }
 
 load() {
@@ -20,20 +19,32 @@ load() {
 
 load_extension() {
 	${LOAD_EXTENSION_DEBUG}
-	local _ext=$1
-	if [ ! $(extension_loaded $_ext) ]; then
+	local _ext=$1 _l=${#extensions[@]} _n
+	if ! _loaded "$_ext" "${extensions[@]}"; then
 		${LOAD_EXTENSION_DEBUG}
-		extensions[${#extensions[@]}]=$_ext	
+
+		((_n=_l+1))
+
+		extensions[$_n]=$_ext	
 		load ${LOAD_PATH}/extensions/${_ext}.ksh
 	else
-		echo "Warning: extension already loaded"
+		echo "Warning: extension '$_ext' already loaded"
 	fi
 }
 
 load_completion() {
 	${LOAD_COMPLETION_DEBUG}
-	local _comp=$1
-	load ${LOAD_PATH}/completions/${_comp}.ksh
+	local _comp=$1 _l=${#completions[@]} _n
+	if ! _loaded "$_comp" "${completions[@]}"; then
+		${LOAD_COMPLETION_DEBUG}
+
+		((_n=_l+1))
+
+		completions[$_n]=$_comp	
+		load ${LOAD_PATH}/completions/${_comp}.ksh
+	else
+		echo "Warning: completion '$_comp' already loaded"
+	fi
 }
 
 set_prompt() {
@@ -52,3 +63,21 @@ paths() {
 	done
 	export PATH
 }
+
+reload_completions() {
+	for _comp in ${completions[@]}; do
+		load ${LOAD_PATH}/completions/${_comp}.ksh
+	done
+}
+
+reload_extensions() {
+	for _ext in ${extensions[@]}; do
+		load ${LOAD_PATH}/extensions/${_ext}.ksh
+	done
+}
+
+reload() {
+	reload_completions
+	reload_extensions
+}
+
diff --git a/ohmy.ksh b/ohmy.ksh
index 8c60208..2fdf869 100755
--- a/ohmy.ksh
+++ b/ohmy.ksh
@@ -6,4 +6,5 @@ LOAD_PATH="$OHMYKSH_DIR"
 
 . ${LOAD_PATH}/lib/loader.ksh
 
+set -A completions --
 set -A extensions --