Better JSON encoder.
Support LZ4, use JSON encoder with sort_keys=True, stable input data.
Add index.count().
Beginnings of declarative interface.
Rename potty_* -> metadb_*, split Model and BaseModel.
Remove unused name variable.
Add repr, fix some bugs
Rearrange/document.
Remove section moved to keycoder doc.
Split docs up into chapters.
Less noise TOC.
Tidyups
Doc fixes
readthedocs sigh
Mark metadb incomplete
Fix doc
Doc fixes.
Fix sidebar.
Doc harder.
Fix title.