v0.4.0-beta1

• #162 You can now ask the server for symbol location information without a cursor location or a file being edited.
• #117 Import statement autocompletion now knows how to handle normal imports, multiple imports, renamed imports, multiple renamed imports combined with normal imports, and other crazy things.
• #56 Support the "with" statement.
• Fix function call tip display for complicated bits of code such as Derelict 3.