v2.2.0

• added query function for graph symbols.
• added option to change color scheme from command line interface.
• prettier design of the graph and better feel of animations
• reduced initial loading time by making calculating clingo results immediately.
• significantly reduced loading time for big graphs.
• added localization to manage string output of viasp CLI, see https://viasp.readthedocs.io/en/latest/viasp/localization.html.

Full Changelog: 2.1.2...2.2.0