Changelog
  [2.5.1] (2023-02-13)
  Bugfixes:
 - Fix possible race condition from asynchronous callbacks
 
  [2.5.0] (2023-02-07)
  Bugfixes:
 - Remove use-before-initialization from sdk_configuration when falling back to defaults
 
  Features:
 - Added Google Ads support
  - Updated Frameplay Native SDK to 5.0.0
 
  [2.4.0] (2023-01-05)
  Bugfixes:
 - Standardised and fix ad request retry logic
  - Fixed metrics recording leak
 
  Features:
 - Added Android x86 support
  - Updated Frameplay Native SDK to 4.0.1
 
  [2.3.0] (2022-12-23)
  Bugfixes:
   Features:
 - Updated Frameplay native sdk
 
  [2.2.1] (2022-12-06)
  Bugfixes:
 - Support lower Android versions
 
  [2.2.0] (2022-11-11)
  Bugfixes:
 - Made the SDK resilient to changed time scales
  - Fixed ad spaces leaking/continuing to request ads when in destroyed/swapped scenes
  - Fixed http_module hash table crash on shutdown
 
  Features:
 - Added optional verbosity parameter to sdk_configuration for debugging purposes
 
  [2.1.0] (2022-11-09)
  Bugfixes:
 - SDK now handles http requests after shutdown safely
  - Reduced compiler warnings from implicit casts
  - Updated include order and added includes
 
  Features:
 - Added Google AdID and Apple ATT support
  - Updated placeholder images
  - Added optional verbosity parameter to sdk_configuration, to log more events
 
  [2.0.0] (2022-09-21)
  BREAKING CHANGES:
 - sdk_configuration has added cache_size parameter
 
  Bugfixes:
 - Fixed ad space content loading
  - Fixed crashes on retried HTTP requests
  - Added HTTP user-agent headers to requests on iOS and Android
 
  [1.1.0] (2022-09-02)
  Features:
 - Enabled viewability measurement
  - Added ad content caching, enabled by the 
cache_size parameter in session_data  - Changed Android libc++ linkage from shared to static
 
  BugFixes:
 - Zero and negative ad space scales are now handled gracefully
  - Fix issues from setting camera to null
  - Fix use-after-free for ad space name
  - Adjust example scene to start on frame 1
 
  [1.0.0] (2022-06-30)
  Features: