bump version to 6.0.0.beta2 and added release date

hsbt · hsbt · commit 2412cd44537d · 2017-09-12T12:32:20.000+09:00
diff --git a/lib/rdoc.rb b/lib/rdoc.rb
@@ -65,7 +65,7 @@ class Error < RuntimeError; end
   ##
   # RDoc version you are using
 
-  VERSION = '6.0.0.beta1'
+  VERSION = '6.0.0.beta2'
 
   ##
   # Method visibilities
diff --git a/rdoc.gemspec b/rdoc.gemspec
@@ -3,7 +3,8 @@ require_relative "lib/rdoc"
 Gem::Specification.new do |s|
   s.name = "rdoc"
   s.version = RDoc::VERSION
-
+  s.date = "2017-09-12"
+  
   s.authors = [
     "Eric Hodel",
     "Dave Thomas",
