[DEL][MOD] Removed NetworkService and unused usings from MainPage.xaml.cs, changed FilterNext namespace to Ctf.ApplicationTools
[DEL] Removed LoggedAs() and LoginAs() methods from LoginCommand.cs
[DEL] Removed ExcecuteAsync() and ExcecuteAsyncCommandNew() methods from FetchGamesCommand.cs
[MOD] Renamed ExecuteTrueAsync method to ExcecuteAsyncCommand in BaseCommand.cs
[DEL] Deleted ExecuteAsync, ExecuteTrueAsyncNew, RequestCallbackOnSuccess, RequestCallbackOnFail methods from BaseCommand.cs and all references
[DEL][MOD] Removed Filterer.cs, renamed FilterNext to CollectionFilter