basic group titles
add title send to peer send
public api, finishing tweaks
fix type checking
Merge branch 'titles' of https://github.com/dubslow/toxcore
Fixed some threading related issues in toxcore.
Group chat title fixes.
add api function to get group title
Increased audio packet queue size by 2.
Merge branch 'get_group_title' of https://github.com/JFreegman/toxcore
Some modifications to the last pull request.
Setting groupchat title when the groupchat isn't connected should
now return success.
Last fix didn't really work well.

This one should work better.