Add whereAllBy

Signed-off-by: David Fisher-Moreau <deiform87@gmail.com>
Add search by relation

Signed-off-by: David Fisher-Moreau <deiform87@gmail.com>
Update documentation

Signed-off-by: David Fisher-Moreau <deiform87@gmail.com>
Increase version number

Signed-off-by: David Fisher-Moreau <deiform87@gmail.com>