Fix bad regex on /api/posts/{post} endpoint

routes.go

@@ -159,7 +159,7 @@ func InitRoutes(apper Apper, r *mux.Router) *mux.Router {
 	// Handle posts
 	write.HandleFunc("/api/posts", handler.All(newPost)).Methods("POST")
 	posts := write.PathPrefix("/api/posts/").Subrouter()
-	posts.HandleFunc("/{post:[a-zA-Z0-9]}", handler.AllReader(fetchPost)).Methods("GET")
+	posts.HandleFunc("/{post:[a-zA-Z0-9]+}", handler.AllReader(fetchPost)).Methods("GET")
 	posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}", handler.All(existingPost)).Methods("POST", "PUT")
 	posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}", handler.All(deletePost)).Methods("DELETE")
 	posts.HandleFunc("/{post:[a-zA-Z0-9]{10}}/{property}", handler.AllReader(fetchPostProperty)).Methods("GET")