Fix Aeson constructors.

Dependencies

• [2] OBFPJS2G Project successfully builds and tests under nix.
• [3] NMWWP4ZN Trying out Hspec
• [4] RSEB2NFG Replacing Snap with Scotty.
• [5] 2KZPOGRB Once you get Haskell to compile, the tests pass!
• [*] NVOCQVAS Initial failing tests.
• [*] EMVTF2IW WIP moving back to snap.
• [*] Y35QCWYW Minor improvement in WorkIndex type to eliminate duplicated information.

Change contents

• edit in test/Quixotic/TimeLogSpec.hs at line 6
  [8.1681]

  [9.2656]
  + import qualified Data.Aeson as A
• replacement in test/Quixotic/TimeLogSpec.hs at line 34
  [3.3132]→[2.3849:3949](∅→∅)
  − [ LogEntry addr (WorkEvent StartWork start'), LogEntry addr (WorkEvent StopWork end') ]
  [3.3132]

  [3.417]
  + [ LogEntry addr (WorkEvent StartWork start' A.Null), LogEntry addr (WorkEvent StopWork end' A.Null) ]