v0.0.6

* Fix type in hover information for do-notation and list
  comprehensions (see haskell#243).
* Fix hover and goto-definition for multi-clause definitions (see haskell#252).
* Upgrade to `hie-bios-0.3` (see haskell#257)
* Upgrade to `haskell-lsp-0.19` (see haskell#254)
* Code lenses for missing signatures are displayed even if the warning
  has not been enabled. The warning itself will not be shown if it is
  not enabled. (see haskell#232)
* Define `__GHCIDE__` when running CPP to allow for `ghcide`-specific
  workarounds. (see haskell#264)
* Fix some filepath normalization issues. (see haskell#266)
* Fix build with `shake-0.18.4` (see haskell#272)
* Fix hover for type constructors and type classes. (see haskell#267)
* Support custom preprocessors (see haskell#282)
* Add support for code completions (see haskell#227)
* Code action for removing redundant symbols from imports (see haskell#290)
* Support document symbol requests (see haskell#293)
* Show CPP errors as diagnostics (see haskell#296)
* Code action for adding suggested imports (see haskell#295)