Log Message:
(geography/R-spatstat.utils) Updated 3.0.4 to 3.1.1

        CHANGES IN spatstat.utils VERSION 3.1-1

OVERVIEW
    o Internal improvements.

        CHANGES IN spatstat.utils VERSION 3.1-0

OVERVIEW
    o Efficiency improvement for prime factorisation.

    o spatstat.utils now requires R 3.5.0 or later.

    o Bug fix

SIGNIFICANT USER-VISIBLE CHANGES
    o primefactors, divisors, is.prime
    Computation for large numbers accelerated.

BUG FIXES
    o xysegPcircle
    Interpreted its arguments incorrectly,
    and incorrectly gave the same result as 'xysegXcircle'.
    Fixed.

        CHANGES IN spatstat.utils VERSION 3.0-5

OVERVIEW
    o Internal improvements.