--0.7.1
constraints: Diff ==0.4.0,
             aeson ==1.4.7.1,
             array ==0.5.4.0,
             attoparsec ==0.13.2.4,
             base ==4.13.0.0,
             base-compat ==0.11.1,
             base-compat-batteries ==0.11.1,
             base-orphans ==0.8.2,
             binary ==0.8.7.0,
             bytestring ==0.10.10.0,
             containers ==0.6.2.1,
             deepseq ==1.4.4.0,
             directory ==1.3.6.0,
             dlist ==0.8.0.8,
             filepath ==1.4.2.1,
             ghc-boot-th ==8.8.3,
             ghc-prim ==0.5.3,
             hashable ==1.3.0.0,
             integer-gmp ==1.0.2.0,
             integer-logarithms ==1.0.3,
             mtl ==2.2.2,
             parsec ==3.1.14.0,
             pretty ==1.1.3.6,
             primitive ==0.7.0.1,
             process ==1.6.8.0,
             random ==1.1,
             regex-base ==0.94.0.0,
             regex-tdfa ==1.3.1.0,
             rts ==1.0,
             scientific ==0.3.6.2,
             tagged ==0.8.6,
             template-haskell ==2.15.0.0,
             text ==1.2.4.0,
             th-abstraction ==0.3.2.0,
             time ==1.9.3,
             time-compat ==1.9.3,
             transformers ==0.5.6.2,
             unix ==2.7.2.2,
             unordered-containers ==0.2.10.0,
             uuid-types ==1.0.3,
             vector ==0.12.1.2