v0.15

• Made date optional in the Visit class.
• sampleAttributes() to return iterator in Sample.
• Fixed broken decorator in iHMPSession.

v0.14

• Added python version check.
• Using ascp exit value to check for aspera transfer success.
• Fixed Annotation save() and local file upload.
• New decorator for date checking.

v0.13

• New class for AbundanceMatrix and new tests.
• Corrections to method documentation.
• Using decorators for type checking.

v0.12

• Added several new classes, including WgsAssembledSeqSet,
  Proteome, HostAssayPrep, and MicrobiomeAssayPrep.
• Added several new example scripts for the new objects.
• Improved type checking of the linkages in the base class.

v0.11

• Ensuring dates specified on the Visit class do not happen in the future.

v0.10

• Sample supports optional name property.
• Update to test for the Sample class.

v0.9

• Some documentation fixes.
• Subtype fixes to 16S related classes contributed by @jonathancrabtree.

v0.8.1

• Cherry picked code from PR #20 contributed by @schwager-hsph for improved logging in various areas.

v0.8

• Cherry picked code from PR #21 contributed by [email protected]
  to provice a children() method to more easily retrieve child nodes.
• Added new subtype field common to all classes for easier aggregated
  queries.
• Study class has a mandatory subtype with controlled vocabulary, other
  classes have a static value, or one inferred from the class name
  or other metadata.
• Updates to wording of documentation in various places

v0.7

• Corrections to logging statements. Merged pull request #18.
  Contributed by [email protected].