Fix parsing error in str2bool

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
Fix EPRT command

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
Fix active connections by fixing sock_listen

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
Bump version to 1.3.1 and update NEWS

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>