Update README

README.md

@@ -35,7 +35,7 @@ class Hello < CyberarmEngine::GuiState
     background Gosu::Color::GRAY
 
     stack do
-      label "Hello World!"
+      banner "Hello World!"
 
       button "close" do
         window.close

lib/cyberarm_engine.rb

@@ -9,7 +9,6 @@ require "json"
 
 require_relative "cyberarm_engine/version"
 require_relative "cyberarm_engine/stats"
-require_relative "cyberarm_engine/result"
 
 require_relative "cyberarm_engine/common"
 

lib/cyberarm_engine/result.rb

@@ -1,20 +0,0 @@
-module CyberarmEngine
-  # result pattern
-  class Result
-    attr_accessor :error, :data
-
-    def initialize(data: nil, error: nil)
-      @data = data
-      @error = error
-    end
-
-    def okay?
-      !@error
-    end
-
-    def error?
-      @error || @data.nil?
-    end
-  end
-end
-

lib/cyberarm_engine/version.rb

@@ -1,4 +1,4 @@
 module CyberarmEngine
   NAME    = "InDev".freeze
-  VERSION = "0.25.1".freeze
+  VERSION = "0.25.0".freeze
 end