With the switch to pybind11, the complexity of the Python integration
in the TraceAnalyzer can be greatly reduced. The new code is much
easier to understand and fixes a number of bugs regarding the Python
integration.
The configuration library has been refactored to make use of nlohmann
macros to reduce boilerplate code.
The nlohmann parser callback is used to decide whether to include
configuration json objects directly, or if they need to be loaded
from a sperate file.
