Change log for aern2-real

• v 0.2.8 2021-08-04
  • compatibility with ghc 9.0.1
• v 0.2.7 2021-06-02
  • add RealNumber type class
• v 0.2.6 2021-05-29
  • adapt to new ppow operations
• v 0.2.5 2021-05-27
  • CanSelect moved to aern2-mp
• v 0.2.4 2021-05-26
  • overhaul README and examples
  • stop "very inaccurate" errors breaking ? (bits n) queries
  • optimisation: ? (bits n) queries start from precision n
  • add tests for accuracy queries, limit and select
  • fix div by 0 during low-accuracy integer powers
• v 0.2.1 2021-05-18
  • add conversion from WithAnyPrec
• v 0.2.0 2021-05-17
  • moving Arrow-based functionality to package aern2-net
  • replacing Arrow-based sequences by list-based sequences
  • switch to new simplified collect-errors, mixed-types-num 0.5.0
    • got rid of EnsureCE etc.
    • not introducing CN wrapper unless at least one parameter is already CN
• v 0.1.2 2019-03-19
  • adapts to mixed-types-num 0.3.2 (new divI, mod)
• v 0.1.1.0 2017-12-06
  • disable aern2-generate-netlog-elm for now
• v 0.1.0.3 2017-12-06
  • remove further upper bounds
• v 0.1.0.2 2017-11-14
  • remove most upper bounds, building with ghc 8.2
• v 0.1.0.1 2017-09-12
  • first release on Hackage
  • fast convergent sequences indexed by AccuracySG
  • arrow-based networks of nodes communicating via query-answer protocols
  • networks executable with cached and parallel strategies
  • network execution can be visualised in browser using an Elm frontend