insert partial query functions in the query module

Types of changes

[ ] Bug fix (non-breaking change which fixes an issue)
[x] New feature (non-breaking change which adds functionality)
[x] Breaking change (fix or feature that would cause existing functionality to change)
[x] I have read the CONTRIBUTING document.
[x] My code follows the code style of this project (see .code-style.md).
[x] All new and existing tests passed (see .testing.md).
[x] I have added tests to cover my changes.
[x] My change requires a change to the documentation.
[x] I have updated the documentation accordingly (see .documentation.md).

What is the new behavior (if this is a feature change)? Partial similarity functions in query module