Adding macros to check if logging for the specified level on the given logger is enabled.
Add a process info class, for now it retrieves the pid
Merge branch 'master' of https://github.com/hsimpson/humble-logging-library
Add missing include
Add thread id to logevent
Add Debug and Release folder to gitignore
Merge branch 'master' of https://github.com/hsimpson/humble-logging-library into fork-hsimpson
Fix wrong header pragma-once #ifdef.
Updates code style.
Adds pid/tid to SimpleFormatter.