stratum-tool-0.0.4 does not compile

[peti]

I appears the release tarball on Hackage lacks several modules of the source code:

Building stratum-tool-0.0.4...
Preprocessing executable 'stratum-tool' for stratum-tool-0.0.4...

src/Main.hs:19:8:
    Could not find module ‘BitPay’
    Perhaps you meant Bitmap (needs flag -package ghc-7.8.4)
    Use -v to see a list of the files searched for.

src/Main.hs:20:8:
    Could not find module ‘Common’
    Use -v to see a list of the files searched for.

src/Main.hs:21:8:
    Could not find module ‘StratumClient’
    Use -v to see a list of the files searched for.

src/Main.hs:22:8:
    Could not find module ‘PrettyJson’
    Use -v to see a list of the files searched for.

A complete build log is at http://hydra.cryp.to/build/524501/nixlog/2/raw.