Multiple improvements to loading

Multiple improvements to the data loading behavior, including:

• Concurrent loading is now performed by default (corrected the inverted behavior of --serial option)
• Improved handling of cases where a cloud URL being loaded by reference is inaccessible.

Support for whitelisted DSS

This release adds support for a whitelisted DSS and various clean up / bug fixes.

• #34

• #36

• #37

Initial Release: Basic loading from Gen3

This release provides basic serial loading support for the 'new' format output by the newt-transformer.

To use, just check out the README. Find us on PyPI.

more testing, new credentials

v0.0.2

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