Update default config for v0.5.

Author: nevans

lib/net/imap/config.rb

@@ -311,25 +311,28 @@ def defaults_hash
 
       @global = default.new
 
-      version_defaults[0.4] = Config[default.send(:defaults_hash)]
+      version_defaults[:default] = Config[default.send(:defaults_hash)]
+      version_defaults[:current] = Config[:default]
 
-      version_defaults[0] = Config[0.4].dup.update(
+      version_defaults[0] = Config[:current].dup.update(
         sasl_ir: false,
+        responses_without_block: :silence_deprecation_warning,
       ).freeze
       version_defaults[0.0] = Config[0]
       version_defaults[0.1] = Config[0]
       version_defaults[0.2] = Config[0]
       version_defaults[0.3] = Config[0]
 
-      version_defaults[0.5] = Config[0.4].dup.update(
-        responses_without_block: :warn,
+      version_defaults[0.4] = Config[0.3].dup.update(
+        sasl_ir: true,
       ).freeze
 
-      version_defaults[:default] = Config[0.4]
-      version_defaults[:current] = Config[0.4]
-      version_defaults[:next]    = Config[0.5]
+      version_defaults[0.5] = Config[:current]
+
+      version_defaults[0.6] = Config[0.5]
+      version_defaults[:next] = Config[0.6]
 
-      version_defaults[:future]  = Config[0.5].dup.update(
+      version_defaults[:future]  = Config[0.6].dup.update(
         responses_without_block: :raise,
       ).freeze
 

test/net/imap/test_config.rb

@@ -169,9 +169,9 @@ class ConfigTest < Test::Unit::TestCase
   end
 
   test ".[] with symbol names" do
-    assert_same    Config[0.4],   Config[:current]
-    assert_same    Config[0.4],   Config[:default]
-    assert_same    Config[0.5],   Config[:next]
+    assert_same    Config[0.5],   Config[:current]
+    assert_same    Config[0.5],   Config[:default]
+    assert_same    Config[0.6],   Config[:next]
     assert_kind_of Config,        Config[:future]
   end