Hotfix: `AttributeError`

Thanks @cryptonaut420.
Fixed Bug Introduced with Recent Logging Updates

- Typographical errors
- Needed to change level of *root* logger (and then change it back)

Solves #560.
Merge pull request #561 from ouziel-slama/develop

Always use get_cached_raw_transaction().
Merge branch 'master' into develop
Merge pull request #562 from ouziel-slama/develop

Use package url for python-bitcoinlib until official upgrade
Minor Regression in Tests from Overzealous Pruning
Missing Proxies
merge current in develop