Next major release

[Baptouuuu]

This work is in preparation for the testing framework.

This PR will stay in this state until the whole innmind/foundation new API is stable enough to build innmind/testing.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.97%. Comparing base (9f0cb69) to head (522b722).

Additional details and impacted files

@@              Coverage Diff              @@
##             develop      #20      +/-   ##
=============================================
- Coverage      96.14%   95.97%   -0.17%     
  Complexity      1096     1096              
=============================================
  Files            197      197              
  Lines           4721     4328     -393     
=============================================
- Hits            4539     4154     -385     
+ Misses           182      174       -8     

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