implement filters for stream list

broker/src/asapo_broker/database/mongodb.go

broker/src/asapo_broker/database/mongodb_streams.go

broker/src/asapo_broker/database/mongodb_test.go

broker/src/asapo_broker/database/streams_test.go

broker/src/asapo_broker/server/get_commands_test.go

broker/src/asapo_broker/server/get_streams.go

common/go/src/asapo_common/utils/helpers.go

consumer/api/cpp/include/asapo/consumer/consumer.h

consumer/api/cpp/src/consumer_impl.cpp

consumer/api/python/asapo_consumer.pxd

consumer/api/python/asapo_consumer.pyx.in

tests/automatic/consumer/consumer_api_python/consumer_api.py