v2.1.18

New Features

• Move funccall from toolslm (#889)
• Add IMG_MIMES constant and support image/webp in preferred_out (#888)
• Add exec_cell and show_cell to nbio for running notebook cells in a live IPython shell (#886)
• select_cells: accept multiple cell ids; hide maybe_await/_amagic frames in tracebacks (#885)
• Add select_cells to nbio, move render_md/AI output renderers back to aidialog (#884)