up
++API
more checks
enable only in !defined(NDEBUG)
enable if !defined(NDEBUG)
cleanup
--verbose 
enable only if !defined(NDEBUG)
simplify 
--verbose
Merge branch 'release/version-0.92' of https://github.com/feelpp/feelpp into release/version-0.92
add options for diffusion-advection-reaction example
++fine
fix