Packages
+ updated package versions, primarily for pymc3 v3.11.4 and dependencies
+ added hypothesis to allow pymc3 testing
Data Curation
+ improved azid I/O
+ improved datatype converter (incl. improved logic for bool datatype conversion)
PyMC specific
+ included builder for inference data
+ improved idata and write idata to file
+ corrected samples default for ppc
+ allow ppc be returned in an idata object or attached to the model object
+ added better graphviz handling
Utilities
+ moved code to embed pngs as matplotlib images (so they render on github) to new eda.utils.py
+ added code to model.utils.py to call model render to graphiz, and insert dpi in the case of png and save to file
+ combined these let you create and display graph representation in a Notebook on Github which is handy
+ default plots to a reasonable size
+ renamed display_headtail
+ added datadict writer, and improved fts_by_dtype
+ added new simple month_diff