v0.9.4
deserialize mappings can now handle nested objects and can specify a mapping for each nested model
updated import_data not to overwrite the existing data
Merge branch 'nested_deserialize_mapping' into updated_deserialize_mapping
Update conf.py

Using the old read the docs theme because the new one kinda broke our stuff... :(
Merging Ryan's branch into a branch for me to inspect.

Merge branch 'updated_deserialize_mapping' of https://github.com/ryanolson/schematics into updated_deserialize_mapping
formalizing message of a comment a little bit