Add prerelease option

Application/Properties/Resources.Designer.cs

@@ -957,6 +957,15 @@ namespace FeedCenter.Properties {
             }
         }
         
+        /// <summary>
+        ///   Looks up a localized string similar to Include _prerelease.
+        /// </summary>
+        public static string includePrereleaseCheckBox {
+            get {
+                return ResourceManager.GetString("includePrereleaseCheckBox", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   Looks up a localized string similar to Last Updated.
         /// </summary>

Application/Properties/Resources.resx

@@ -561,4 +561,7 @@ All feeds currently in category "{0}" will be moved to the default category.</va
   <data name="FeedReadResult_TooManyRequests" xml:space="preserve">
     <value>Too many requests</value>
   </data>
+  <data name="includePrereleaseCheckBox" xml:space="preserve">
+    <value>Include _prerelease</value>
+  </data>
 </root>

Application/Properties/Settings.Designer.cs

@@ -12,7 +12,7 @@ namespace FeedCenter.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.5.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.14.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
@@ -302,5 +302,17 @@ namespace FeedCenter.Properties {
                 return ((string)(this["DatabaseFile"]));
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        public bool IncludePrerelease {
+            get {
+                return ((bool)(this["IncludePrerelease"]));
+            }
+            set {
+                this["IncludePrerelease"] = value;
+            }
+        }
     }
 }

Application/Properties/Settings.settings

@@ -74,5 +74,8 @@
     <Setting Name="DatabaseFile" Type="System.String" Scope="Application">
       <Value Profile="(Default)">FeedCenter.realm</Value>
     </Setting>
+    <Setting Name="IncludePrerelease" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
   </Settings>
 </SettingsFile>