Update kb-bindings, voxel-inventory-hotbar, voxel-voila: modal hotkey fixes

deathcap/kb-bindings@2c522ef71c083d89ce8a47589dcc580a6f2edac1 0.2.0
deathcap/kb-bindings@02de70415c58684036476205c7ea8a27077e3a86 Add 'changed' event emitter - combines up and down emitters
deathcap/voxel-inventory-hotbar@0e603ab8dcd4c286c9134556821e165c22b9bbf3 Use kb-bindings for slot hotkeys, fixes unintended events when modals open (e.g. typing numeric voxel-commands, no longer changes hotbar slots)
deathcap/voxel-voila@7ea39bd90f75b5bd8e53757815ec4e78433bdf33 Listen to changed event to toggle details. Closes GH-2
deathcap/voxel-voila@b5a3113a2bd6f80a8cb90a11c7d18f4fafec4d05 Refactor update/clear

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