Bug Fix and Security Patch

Added a retry for another error that is resetting connections (this should fix the issues in #57 and #62) as well as some minor documentation and dependency updates.

• Add catch for PROTOCOL_SEQUENCE_TIMEOUT error 7a001b5
• Version bump and dependency updates 16d9673
• Docs: correct example of conditional chained transaction (@ddanielgc) 630f3d6
• Update README with info about accessing getClient (@jamesmosier) e339fd6