v0.5.4

Primes v0.5.4

Diff since v0.5.3

Closed issues:

• make factor fast for small integers by memoizing (#112)
• isprime(n) allocates (#125)

Merged pull requests:

• Divisors function (#124) (@adrsm108)
• suppressed Integer annotation on Factorization; fixed bug in calls of… (#127) (@jmichel7)
• enable dependabot for GitHub actions (#128) (@ranocha)
• use BPSW for primality testing (#129) (@oscardssmith)
• Bump version (#130) (@oscardssmith)