remove range support, allow pass range as argument
move transaction method to db for more general usage
add low-level store.cursor
index.cursor
more focused API
more options for store.cursor
remove IDBKeyRange link for index
fix store.indexes population
rename files to follow node/component convention
add db.use for plugins support
add tests and fixes for multiEntry and non-objects values
keyPath support
fix test for put with store.key