Set version and fix patch detection

GCMM/GCMM.csproj

@@ -4,6 +4,14 @@
     <OutputType>WinExe</OutputType>
     <TargetFramework>net461</TargetFramework>
     <UseWindowsForms>true</UseWindowsForms>
+    <SignAssembly>false</SignAssembly>
+    <ApplicationIcon>favicon.ico</ApplicationIcon>
+    <AssemblyVersion>1.2.0.0</AssemblyVersion>
+    <FileVersion>1.2.0.0</FileVersion>
+    <Version>1.2.0</Version>
+    <Authors>NorbiPeti</Authors>
+    <Company>ExMods</Company>
+    <Description>A mod manager for Gamecraft. It automatically downloads and runs GCIPA and allows the user to install mods.</Description>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">

GCMM/MainPatcher.cs

@@ -38,7 +38,7 @@ namespace GCMM
                 playbtn.Text = pnp;
                 return GameState.Unpatched;
             }
-            string backup = Directory.EnumerateDirectories(backups).OrderByDescending(s => s).FirstOrDefault();
+            string backup = Directory.EnumerateDirectories(backups).OrderByDescending(name => Directory.GetLastWriteTimeUtc(name)).FirstOrDefault();
             if (backup == null)
             {
                 status.Text = nopatch;
@@ -85,13 +85,14 @@ namespace GCMM
                         {
                             url = JArray.Parse(await client.DownloadStringTaskAsync(releases)).First["assets"].First["browser_download_url"].ToString();
                             await client.DownloadFileTaskAsync(url, "IPA.zip");
-                            ZipFile.ExtractToDirectory("IPA.zip", Settings.Default.GamePath);
+                            using (var fs = new FileStream("IPA.zip", FileMode.Open))
+                            using (var za = new ZipArchive(fs))
+                                za.ExtractToDirectory(Settings.Default.GamePath, true); //Overwrite files that were left from a previous install of the patcher
                         }
                     }
+                    status = CheckIfPatched();
                     break;
             }
-            if (status != GameState.NotFound && status != GameState.NoPatcher)
-                status = CheckIfPatched();
             switch (status)
             {
                 case GameState.NoPatcher: //Make sure it actually worked