add option autocommit_false_not_reusable

[everpcpc]

another way to handle #1044
cc @MOON-CLJ

[renecannao]

Thank you @everpcpc !
The commit looks good to me. Merging it.
Nonetheless, I think there are too many variables to control and a lot of edge cases: this is not intuitive for regular users.
A more elegant solution is needed, and I think the idea behind #955 is the correct one.

Thanks