bugzilla: support Bugzilla 4.4.3+ API login token authentication (issue4257)
Bugzilla 4.4.3 and later remove the old cookie based session authentication
from the Web Services API and replace it with a login token. The session
can now also be restricted to the originating IP.
Add the necessary to the extension so it works with 4.4.3 and later.
$ hg init
$ echo a > a
$ hg ci -Am t
adding a
$ hg mv a b
$ hg ci -Am t1
$ hg debugrename b
b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
$ hg mv b a
$ hg ci -Am t2
$ hg debugrename a
a renamed from b:37d9b5d994eab34eda9c16b195ace52c7b129980
$ hg debugrename --rev 1 b
b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3