Cleanup (#19)

* reformatting of skill checks table

* Including own Random "generator", more refactoring

functions/Random.js

@@ -0,0 +1,13 @@
+const Random = {int, use};
+
+function int (min, max) {
+        if (!min || !max) { return; }
+        //return Math.floor(Math.random() * (Math.floor(max) - Math.ceil(min))) + min;
+        return Math.floor(Math.random() * (Math.floor(max) - Math.ceil(min) + 1)) + min;
+    }
+
+function use (str) {
+    return true;
+}
+
+module.exports = { Random };