v1.11.1

Changes:

• Use google search engine API instead of an unofficial client for online requests
• Add (optional) GOOGLE_API_KEY and GOOGLE_SEARCH_ENGINE_ID config parameters.

Breaking changes:

• Remove google from requirements.txt
• Add requests to requirements.txt

Run the following commands for upgrading

git describe --tags # get your current version
git pull
python3 scripts/migration.py --current {current version} --target v1.11.1