fix that insert mode visually overrides

Signed-off-by: Mattias Andrée <maandree@operamail.com>
fix home and end command parsing

Signed-off-by: Mattias Andrée <maandree@operamail.com>
fix some drawing issues

Signed-off-by: Mattias Andrée <maandree@operamail.com>
fix point movement

Signed-off-by: Mattias Andrée <maandree@operamail.com>