Fix bugs in CMD plugin and PluginMangerment Plugin.

Plugins/Wox.Plugin.PluginManagement/Main.cs

@@ -81,7 +81,7 @@ namespace Wox.Plugin.PluginManagement
                     Action = e =>
                     {
                         UnInstalledPlugins(plugin);
-                        return true;
+                        return false;
                     }
                 });
             }

Wox.Plugin.System/WebSearchPlugin.cs

@@ -21,10 +21,15 @@ namespace Wox.Plugin.System
 
             if (webSearch != null)
             {
-                string keyword = query.ActionParameters.Count > 0 ? query.RawQuery.Substring(query.RawQuery.IndexOf(' ') + 1) : "";
+                string keyword = query.ActionParameters.Count > 0 ? query.GetAllRemainingParameter() : "";
+                string title = string.Format("Search {0} for \"{1}\"", webSearch.Title, keyword);
+                if (string.IsNullOrEmpty(keyword))
+                {
+                    title = "Search " + webSearch.Title;
+                }
                 results.Add(new Result()
                 {
-                    Title = string.Format("Search {0} for \"{1}\"", webSearch.Title, keyword),
+                    Title = title,
                     Score = 6,
                     IcoPath = webSearch.IconPath,
                     Action = (c) =>

Wox.Plugin.System/WindowsShellRun.cs

@@ -184,7 +184,10 @@ namespace Wox.Plugin.System
                 {
                     try
                     {
-                        pszOut = Path.GetFullPath(pszCommand); // PathQualifyDef(pszOut, pszDir, 0);
+                        //not right here.
+                        //e.g. If I input qs which is a shortcut in a folder, and this folder has been added to Path
+                        //After execute this, qs will trun to c:/xxxxxx/xxxxxxxx/qs, and give a file not find error.
+                        //pszOut = Path.GetFullPath(pszCommand); // PathQualifyDef(pszOut, pszDir, 0);
                     }
                     catch
                     {