Knowledge Graphs
    New visualisation type: Sequences of Denote signatures
        Changed GraphViz geometry for sequence graphs
    Full rewrite of most functions.
        Increased efficiency in detecting edges (links between files)
        Ability to draw graphs without attachments by using the universal argument when generating and regenerating graphs
    D3.js Visualisations
        New slider to change the number of node labels (from none to every node)
        Added number of isolated notes to info tooltip (when isolated nodes > 0)
Janitor
    New function denote-explore-dead-links to find dead links
    Optimised single and zero keywords detection
    Change behaviour and optimisation for denote-explore-isolated-notes
    denote-explore-sort-keywords replaced by denote-explore-sync-metadata
    Refactored denote-explore-rename-keyword
    Renamed duplicate notes functions to remove double verb and UI improvements.
    denote-explore-sync-metadata bug fix
Statistics
    New function denote-explore-barchart-timeline to show number of nodes and/or attachment created per year
    The File type bar chart can also show only attachments.
    denote-explore-barchart-degree allows text-only option
    Added all used keywords to denote-explore-count-keywords
    Fixed bug in random walk functions