Tabs are not activated by mouse click

[IzidoroBaltazar]

When opening multiple tabs you cannot select active tab with mouse click. Somehow the plugin disables the default neovim behavior. Instead of mouse navigation you have to navigate by e.g. gt.

[beauwilliams]

Ah, let me see about adding this in. I just grepped the codebase and I don't see anywhere where I have touched the mouse options. I think statusline.lua will need to explicitly support them.