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Fixes:

• #102 : fix: retrieving history for a given identity only accepts strings, None was provided.

Fix:

• #100 : fix the next page token in the decider params.

Notable changes:

• #86: Migrates from boto 2 to boto 3.
• #94: Removes support for python 2.7

Fixes:

• #96 : Fix activity execution.

Change:

• Enables calling on_exception when activity.fail throws an exception.
• Deprecate python 2.7, 3.4

Notable changes:

• Fully deprecate python 2.7

Additions:

• Migrate to boto3 #86
• Enable capturing failures when fail throws an exception #90

Additions:

• Add exponential backoff on poll activities #79.
• Add logger to decider #81.
• Add identifier to activity poll #82.
• Add identifier to decider poll #83.

• Add error catching for Decider polling #76
• Add error catching for Activity polling #75

• Fix: #72