Scout-apm

Fixed

- Fix issue detecting `MIDDLEWARE_CLASSES` in Django apps (119)

- Packaging changes only

Added

- Track object allocations for every span (Objtrace module)
- Track RSS increase during a TrackedRequest.

Fixed

- Compatibility with old style Django middleware/settings

Added

- Alpine Linux support (Musl based distro) (108, PR 110)

Fixed

- Configuration not integrated into derived values (112)
- Flask Instruments: init_app captures app variable (104)

Fixed

- Look up 'user_ip' context from request headers (PR 90)
- Improved locking/sync around CoreAgentSocket (91)
- DO not collect backtraces on Controller or Middleware layers (88)
- Better Elasticsearch naming (84)
- Flask transactions that throw exceptions don't appear (29)

Added

- Log configuration options to DEBUG on install
- Add Context, Config, and install() to scout_apm.api

Fixed

- Instrumentation API marks TrackedRequest as real request
- Spans can ignore children (85)