rename file

split unit tests

add more test case

added more test cases

added test case for skip and limit

improve performance by cache the document on _apply_query()

fix skip bug

modernized code

Assumed Maintainership

set the journal mode to WAL

add test for ensure_index

remove support for python 2

support transaction if needed

code format

organize import

ignore html coverage

Update README.md

sorting on nested key

Update README.md

sorting documents by keys and directions