stupid bug fixed...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

features.js

@@ -609,15 +609,18 @@ var FeatureSetProto = {
 		var loaded = Object.keys(features)
 		Object.keys(exclusive)
 			.forEach(function(k){
+				var l = exclusive[k].length
 				exclusive[k] = exclusive[k]
 					.map(function(e, i){ return [e, i] })
 					.sort(function(a, b){
 						var i = loaded.indexOf(a[0])
 						var j = loaded.indexOf(b[0]) 
-						return (i >= 0 && j >= 0) ? 
-							i - j 
-							: a[1] - b[1]
-					})
+						// keep the missing at the end...
+						i = i < 0 ? Infinity : i
+						j = j < 0 ? Infinity : j
+						// NOTE: Infinity - Infinity is NaN, so we need 
+						// 		to guard against it...
+						return i - j || 0 })
 					.map(function(e){ return e[0] }) })
 		// do the actual handling...
 		var conflicts = {}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ig-features",
-  "version": "3.1.8",
+  "version": "3.1.9",
   "description": "",
   "main": "features.js",
   "scripts": {