0.25.18

Added

• New prelude function: rep, an implicit form of replicate.

• Improved handling of large monomorphic single-dimensional array
  literals (#2160).

Fixed

• futhark repl no longer asks for confirmation on EOF.

• Obscure oversight related to abstract size-lifted types (#2120).

• Accidential exponential-time algorithm in layout optimisation for
  multicore backends (#2151).