Prepared FriendControl to handle incoming calls
Basic functionality for audio calls
Handling call endings
Added animations to bottom buttons
A calling friend will now pin on top of friend list
Fixed button style
Added timestamps
Properly ending voice calls
Changed way to pin call partner
Fixed bug where friend list was getting removed
Added method to call
Added hangup button to conversation with partner

Also added friendnumber to ToxCall.cs
A bunch of fixes for voice calls