Merge pull request #31 from OpakAlex/query_dsl

Query core (in general).
add filter base dsl
add bool filter
add filtered query and remove macros filtered
add limit filter
add filter options
add geo filters
add geo filters
add has_child filter
add missing filter
add not filter
add filter query
add nested type
add core filters
add and filter type
add and filter type
add or filter type