Code clean and set version up

Author: Suiram1701

API.Test/TeachingTests.cs

@@ -30,7 +30,7 @@ public void GetClass()
     {
         Client.LoginAsync(s_Server, s_LoginName, s_UserName, s_Password).Wait();
 
-        Task<Class[]> classes = Client.GetClassesAsync(new SchoolYear() { Id = 5});
+        Task<Class[]> classes = Client.GetClassesAsync(new SchoolYear() { Id = 5 });
         classes.Wait();
         if (classes.Result.Length > 0)
             Assert.Pass();

WebUntisAPI.Client/Models/Messages/Attachment.cs

@@ -6,8 +6,6 @@
 using System.Linq;
 using System.Net;
 using System.Net.Http;
-using System.Text;
-using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 

WebUntisAPI.Client/WebUntisAPI.Client.csproj

@@ -16,9 +16,9 @@
     <Copyright>Copyright © Suiram1 2023</Copyright>
     <Description>A library in .NET to interact with the WebUntis API.</Description>
     <Company>Suiram1</Company>
-    <AssemblyVersion>1.1.0</AssemblyVersion>
-    <FileVersion>1.1.0</FileVersion>
-    <Version>1.1.0</Version>
+    <AssemblyVersion>1.1.1</AssemblyVersion>
+    <FileVersion>1.1.1</FileVersion>
+    <Version>1.1.1</Version>
   </PropertyGroup>
 
   <ItemGroup>

WebUntisAPI.Client/WebUntisClient.cs

@@ -482,7 +482,7 @@ public async Task ReloadSessionAsync(CancellationToken ct = default)
             if (response.StatusCode != HttpStatusCode.OK)
                 throw new HttpRequestException($"There was an error while the http request (Code: {response.StatusCode}).");
 
-            
+
             _bearerToken = await response.Content.ReadAsStringAsync();
         }