refactoring & fixes

- added duration check to vimeo module
- fixed quality picking in vimeo module for progressive video type
- dropping requests from ie users instead of redirecting
- probably something else but i forgot to be honest

package.json

@@ -1,7 +1,7 @@
 {
     "name": "cobalt",
     "description": "save what you love",
-    "version": "4.8",
+    "version": "4.9-dev",
     "author": "wukko",
     "exports": "./src/cobalt.js",
     "type": "module",