* show the tags in the entry preview
* allow searching by tag
* add a sidebar listing the tags in the database
* filter entries by tag on click
* Introduce a new TagsEdit widget that provides pill aesthetics, fast removal functionality and autocompletion
* add tests for the tags feature
* introduce the "is" tag for searching. Support for weak passwords and expired added.
* DatabaseTabWidget::newDatabase returns the created DatabaseWidget
* Emit DatabaseTabWidget::databaseOpened signal before a new tab is added
* EntrySearcher can now search attribute values including custom ones
* Add Group::applyGroupIconTo to set the group icon on the supplied entry
* Implement desktop notifications through the system tray icon
* Add DatabaseWidget::deleteEntries to delete a list of entries
* Add Aes128 in SymmetricCipher::algorithmIvSize
* Add DatabaseWidget::databaseReplaced signal
* Add a helper class to override the message box's parent (prevent bugs)
* Search Group details in addition to entry details; feature parity with KeePass
* Remove assertions to prevent crashes in Debug mode when search result is empty