Important update matching changes in Skype app for Windows 10

New in MP3 Skype recorder:
 - support for Skype app 12.*** version. Currently most of users are still on 11.*** version of Skype app for Windows 10. New version is introducing some internal changes. You have to update MP3 Skype recorder to the latest version 4.35 if you are using Skype app. Skype desktop version users are OK.
- some helpful minor changes.