Ddtrace

- feat(django): add database_service_name config option
- feat: add global service name configuration for dbapi integrations
- fix(falcon): set span error for 5xx responses
- fix(core): always store span_type as str on span
- feat(pymongo): trace tcp connections
- fix(logging): cast span_id and trace_id as string when adding to the record.
- fix(gevent): patch ssl modules on import
- feat(core): add trace_utils module
- fix(core): expose http setting on global config
- feat(core): consolidate fork checks

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- Fix for an issue introduced by patching classes in the MRO of a Django View class (1625).

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- reintroduce wrapt for patching Django view methods. ([1622](https://github.com/DataDog/dd-trace-py/pull/1622))

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Changes

- feat: add asgi integration (1567)
- feat(profiling): reduce the default amount of sampling for memory/lock to 2% (1586)
- fix(profiling/line2def): handle empty filename (1585)
- fix(grpc): GRPC Channel Pin (1582 -- thanks munagekar)
- feat(core): make environment variables consistent with other languages (1575)
- fix(profiling,gevent): fix race condition with periodic thread (1569)
- fix(core): disable import hooks (1563)
- feat(core): set tags from DD_TAGS (1561)
- fix(profiling): lock Recorder on reset (1560)
- feat(django): add option for using legacy resource format (1551 -- thanks tredzko, jheld)
- feat(core): add startup logging (1548)
- feat(core): add msgpack encoder (1491)

Full changeset

https://github.com/DataDog/dd-trace-py/compare/v0.40.0...v0.41.0


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- Fix for an issue introduced by patching classes in the MRO of a Django View class (1625).

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- reintroduce wrapt for patching Django view methods. ([1622](https://github.com/DataDog/dd-trace-py/pull/1622))

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