@brief Installs user defined format specifier and handler

defined(ELPP_FEATURE_ALL) || defined(ELPP_FEATURE_CRASH_LOG) @brief Installs pre rollout callback, this callback is triggered when log file is about t

@brief Checks if character is digit. Dont use libc implementation of it to prevent locale issues.

@brief Gets level of current configuration

the maximum number of features of instances

the number of instances in KernelMatrix

the number of non-zero features of all instances

@brief Updates format to be used while logging. @param userFormat User provided format

@brief Reconfigures single configuration for all the loggers

@brief Registers new registry to repository.

@brief Release date of current version

@brief Removes logging flag used internally.

@brief Resets location of current hit counter