* [leaderboard] wip
* [leaderboard] filter for selecting leaderboard criteria, single col
* [leaderboard] doctypes in sidebar
* hide graph if no results
* First commit leaderboard working
* Styling and added href
* Changed timeline string
* Changes in item
* Cleanup
* Fix
* made changes to currency column
* Code cleanup for codacy
* Sorting bug fixed and formatting done
* Changed type to isinstance