Chado

- 2.2.3
- Throw a warning instead of an exception when a GFF target feature does not exist

- 2.2.2
- Bug fixes and improvements to the expression module

- 2.2.1
- Minor release to fix broken package at pypi, no code change

- 2.2.0
- Added feature.load_go() to load GO annotation (blast2go results)
- Added feature.get_feature_analyses() to fetch the analyses associated with a feature
- Added feature.get_feature_cvterms() to fetch the cvterms associated with a feature
- Added support for biomaterial/expression data (as used by tripal_analysis_expression)
- New --protein_id_attr option for feature.load_gff()

- 2.1.5
- bugfix: fix features deletion when deleting an analysis

- 2.1.4
- bugfix: fix sporadic errors with AnalysisFeature class declaration