Trac #16983: no longer ignore modulus for prime finite fields
Trivial changes to the FiniteField_pari_ffelt constructor
trac #17047: Isomorphism of incidence structures
trac #17xxx little cleanup in multi_polynomial_ideal
trac #17199 reviewer's comments
trac #17199 a few more little typos
First commit overwritting the method random_element of StandardTableaux_size.
Merge remote-tracking branch 'origin/develop' into ticket/16983
Fix order in doctest output
Fix infinite loop in unpickling
Minor improvement on the documentation and on the way the method
generates a subset of a set.
Improvement on doctest.
doc only so far
Clarify docs for polynomial()
Trac #17244: Add a doctest for the example on trac #8005.

This looks like it was fixed as part of another ticket, #9138 by Simon
King: the line on which Sage dies in #8005 was commented out there.

This patch adds a doctest, removes the commented code, and adds a
missing colon to a neighboring doctest.
review
Put the import at the beggining of the method.
typo fixed
trac #17047: Merged with beta6
trac #17047: Broken doctest