feat: quickfix (#293)

* feat: quickfix (not implemented)

* [WIP]: Wed 09 Dec 2020 11:11:30 PM EST

* somewhat working linked list impl

* getting closer

* might be working

* might be working for real

* works and implemented basic example

* dont forget to close prompt

* fix descending and add more tests

* test fixes

* fix test

* more logging

* Fix some more tests

* Fix logging messing up tests

* fix: lint

* fix: multi select stuffs

lua/telescope/config.lua

@@ -34,7 +34,7 @@ function config.set_defaults(defaults)
 
   set("sorting_strategy", "descending")
   set("selection_strategy", "reset")
-  set("scroll_strategy", nil)
+  set("scroll_strategy", "cycle")
 
   set("layout_strategy", "horizontal")
   set("layout_defaults", {})
@@ -53,7 +53,7 @@ function config.set_defaults(defaults)
   set("borderchars", { '─', '│', '─', '│', '╭', '╮', '╯', '╰'})
 
   set("get_status_text", function(self)
-    return string.format("%s / %s", self.stats.processed - self.stats.filtered, self.stats.processed)
+    return string.format("%s / %s", (self.stats.processed or 0) - (self.stats.filtered or 0), self.stats.processed)
   end)
 
   -- Builtin configuration