Revert "Add breaking changes"

This reverts commit f60d65e124.

src/play_clj/core.clj

@@ -563,3 +563,8 @@ of key-value pairs, which will be given to the function via its screen map.
         screen-fn (-> screen-object :options (get fn-name))]
     (apply execute-fn! screen-fn options)
     nil))
+
+(defn run!
+  "Deprecated. Please use `screen!` instead."
+  [& args]
+  (apply screen! args))