Promoted version to 1.0

Since there are no obvious bugs right now,
we might as well go final.

package.json

@@ -5,7 +5,7 @@
   "description": "Look only at soup entries that happened after this one",
   "author": "Algobat",
   "license": "MPL 2.0",
-  "version": "0.1",
+  "version": "1.0",
   "icon": "data/soup-32.png",
   "icon64": "data/soup-64.png",
   "homepage": "https://github.com/peacememories/soup-since"