Bug fix release

• Fixes issues:

  • #810: Verilog backend now correctly specifies type of BitVector 1
  • #811: Improve module load behavior in clashi
  • #439: Template Haskell splices and TopEntity annotations can now be used in clashi
  • #818: Fixed various mistakes in tutorial
  • #662: Clash will now constant specialize partially constant constructs
  • #700: Check work content of expression in cast before warning users. Should eliminate a lot of (superfluous) warnings about "specializing on non work-free cast"s.
  • #837: Blackboxes will now report clearer error messages if they're given unexpected arguments.

• Small fixes without issue reports:

  • Fix bug in rnfX defined for Down (814fd52)
  • Report blackbox name when encountering an error in 'setSym' (#858)