v0.48.1

Nemo v0.48.1

Diff since v0.48.0

Merged pull requests:

• Jaa/is nilpotent (#1974) (@JohnAAbbott)
• Add is_zero_initialized for FLINT backed matrix types (#1975) (@fingolfin)
• Remove redundant {swap,reverse}_{rows,cols} methods (#1976) (@fingolfin)
• Replace some ccalls by simpler code (#1977) (@fingolfin)
• Merge redundant MatrixSpace dispatches (#1978) (@fingolfin)
• Remove redundant methods for zero, similar, zero_matrix (#1979) (@fingolfin)
• Remove more redundant similar & zero methods (#1980) (@fingolfin)
• nmod_mat.jl: some more add!/sub!/mul! changes (#1981) (@fingolfin)
• Move some more things out of HeckeMoreStuff.jl (#1983) (@fingolfin)
• Remove is_irreducible(a::QQMPolyRingElem) (#1984) (@fingolfin)
• fix: make invmod more robust for non-prime moduli (#1986) (@thofma)
• fix: aliasing bug in mul! (#1987) (@thofma)
• fix: irreducibility of constant polynomials over finite fields (#1988) (@thofma)
• Bump version to 0.48.1 (#1989) (@lgoettgens)