Filter block should be copied.
TFLogDescription comment formatted.
Restructured _TFLog implementation so "va" block is only used to get formatted message
Better documentatation of NSLogToTFLoggerAdapter
Added ModuleName explanation.
Document more.
Fotmatting.
Changed the compile time log level define to function that sets current log level baseline.
Documented pass filter.
Added a mutex lock to the _TFLog method implementation so it is thread safe now, it was also needed to add the same mutual exclusion mechanism to all the methods called from within _TFLog