Fix import style.
Whitespace fixes per PEP8 (except E501).
Ignore VIM temp files.
Unit test ECC Arithmetic.
Unit test Electrum Wallet Consistency.
Unit test script vs address outputs.
Unit test python backup for ripemd160.
Unit test starting address and script generation consistency.
Unit test transaction-style signing and verification.
Unit test serializing transaction and script.
Attempt to unit test transaction creation.
Unit test BIP0032.
Unit test Deterministic Generate.
Merge pull request #37 from Renelvon/unittestify

[WIP] Refactor test suite to use unittest.