Avoid use of DRF Serializer classes for now for entities with many-to-many relationships. (#24)
Remove tags from the database if there are no longer words on them
Remove definitions from words properly (#24)
Format the tests a bit better
Don't let people view each other's words (#24)
Fix some more authorisation bugs (#24)
Don't allow users to sneakily update others' definitions (#24)
Prevent sneak updates to other people's example sentences (#24)
Preview Pinyin when editing example sentences.
Show MDBG links for example sentences. Use _blank instead of _new as target.