Fix special keys (e.g. <Shift-Left>).
Fix special keys (e.g. <Shift-Left>).

mrmr1993/vimium,poacher2k/vimium,mrmr1993/vimium,poacher2k/vimium,decaffeinate-examples/vimium,mrmr1993/vimium,gdh1995/vimium,gdh1995/vimium,philc/vimium,smblott-github/vimium,gdh1995/vimium,decaffeinate-examples/vimium,philc/vimium,philc/vimium,poacher2k/vimium,smblott-github/vimium,decaffeinate-examples/vimium,smblott-github/vimium