Changelog for v1.6.2:
* New features:
  * New button to clear all history
  * New option for expanding all sections by default
  * New data saver feature
  * Search history items are now animated
  * New icon layout for search bar

* Bug fixes/Improvements:
  * Icons next to history items are now "history" icons instead of "search" icons
  * Theme dialog now has a cancel button
  * Drastically improve dialog boxes performance
