0.1.19

• Load the default.yml config even if config.yml itself is empty (normal case upon first installation)
• Add number of queued cells to favicon
• Disable running / editing cells upon disconnect. Attempt to reconnect when window is focused.
• bust browser cache on release (hopefully you won't need to force-reload after upgrading any more!)
• Fix cyclic reference error
• Fix issue preventing vega interpreter from working properly if a string-typed variable was defined earlier
• Create a virtual environment every time.
• Lazy vals no longer cause compile errors (they still have some problems though as detailed here)
• Fix compile error preventing definition of functions with default values.