v0.54.2

Nemo v0.54.2

New or extended functionality

• #2268 Add isqrt! for inplace floor square roots
• #2269 Add allocation-free signed remainder mod_sym!
• #2272 Add inplace operations for / improved performance of div, cdiv, tdiv, fdiv with inputs of the form (ZZRingElem, Int)

Performance improvements or improved testing

• #2270 Improve performance of is_divisible_by

Fixed bugs that returned incorrect results

• #2249 Fix gcd/lcm of a singleton ZZ vector to be non-negative
• #2252 Fix is_maxreal_type for number fields
• #2277 Fix MPoly constructors to enforce exponents being nonnegative
• #2278 Unify behavior of isone for truncated identity matrices
  Full diff since v0.54.1