fix(err): without this err.msg is "[object Object]"
Merge pull request #7 from chester1000/error-handling

fix(err): without this err.msg is "[object Object]"
fix(dep): Bitstamp dependency relinked to fix `invalid nonce` error
Merge pull request #8 from chester1000/bitstamp-fork

fix(dep): Bitstamp dependency relinked to fix `invalid nonce` error
DO NOT MERGE | test(ticker,trader): complete plugin test pack vol 1