New features
* addition of torbox.app as another destination for nzb files

Bug Fixes
* correctly calculate content height for popup windows
* request host permission if not yet granted
* use the background script to make the connection test request

Bug Fixes
* always register context menus upon start of the background script
* correction of non-asynchronous error handling during settings migration
* correctly parse file name in content-disposition header
* interception: add navigate navigation event listener
* set focus to the title field in the nzb file dialog
* show notification when search is started
* synology: do not double URI encode the credentials

New features
* add the category to the meta data of the nzb file for targets that support categories
* interception: add interception of already initiated downloads
* nzbfile: filter to remove unwanted files from the nzb file

Complete rewrite of the code base and compatibility with Manifest v3

New features:
* manifest v3 support
* configuration of several different NZB file targets
* individual category configuration for each target
* new target "JDownloader2"
* search the search engines in parallel or sequential
* new search engine "Easynews" (requires access credentials)
* archive support for NZB file download interception (rar, zip, 7z)
* light/dark mode according to system settings
* ...

v0.7.7
* Bug fix: Hopefully the final fix for connection to the Synology DownloadStation on DSM 7.x and upwards.
* Premiumize.me: Updated to new API with API key instead of custommer number and PIN.
* Other: Some code refactoring in the connections functions.
* Other: Translation to German completed.

v0.7.5
Bug fix: Fixed some errors in the connection routines for Synology Diskstation which resulted in wrong connection test results and prevented the connection to new DSM v7.0

* Bug fix: Fixed the "expects one parameter" error which appeared due to a change in the API response in SABnzbd version 3.0.0 and upwards although testing the connection with SABnzbd was successful.
* Other: Removed newzleech.com from the default search engines because it is no longer operating

v0.7.3
Bug fix: Fixed NZBKing settings due to changes in API

v0.7.2
* Bug fix: Fixed an error which caused any Synology Diskstation administration page to reload if it was open during a push of the NZB file to Synology Diskstation.
* Bug fix: Fixed an error which caused the NZB file to be saved with the file extensiosn ".xml" in Chrome v77.
* Other: Updated jQuery to v3.4.1.
* Other: Updated Bootstrap to v4.3.1.

v0.7.1
Bug fix: NZBKing is working again
Bug fix: Fixed error in AnalyzeURL function if parameters are undefined
Bug fix: Improved starting routine to avoid the settings to be loaded too fast resulting in being undefined
Improvement: Added "file" as additional keyword for the header information in the function to analyze the selected text
Other: Added some credits on the about page

* New function: Added popup window with download history and debug log
* Improvement: Complete redesign of options page
* Improvement: Changed category selection from modal popup to window popup
* Improvement: Complete redesign of the modal popup for the analysis/modification of the selected text
* Search engines: Removed "NZBindex (Beta)" and change URL/API of NZBIndex to former beta API (Old API no longer available / beta API is now standard)
* Other: u4a is supported again (let's make peace to the world)

v0.6.4
- Bug fix: replace "+" signs in URI parameters with spaces (%20) before URI-decoding the parameters