Pyhdfs Versions Save

Same as v0.3.0 but marked as requiring Python 3.6+

Withdrawn to avoid getting picked up by Python 2. Use v0.3.1 instead.

• Require Python 3.6+
• Added mypy typing annotations

Documentation changes only

• add ability to customize requests parameters
• test and documentation changes

(v0.2.1 is identical to v0.2.0 and was created to fix a PyPI mistake.)

Retry on startup mode exception

• added get_active_namenode method
• disallowed listdir on files
• replaced implementation of wrapper classes to be more tolerant of HDFS changes

First release