Patch release for 1.9.0
- Fixed issues in rolling frequency - #243 #295 @georgekola
- Fixed critical issue, addLogger method should use a full bit mask instead of LOG_LEVEL_VERBOSE, otherwise extended logs or extra flags are ignored fe6824c @robbiehanson
- Performance optimisation: use compiler macros to skip iOS version checks - 4656d3b #298 #291 @robbiehanson @liviur
- Changed the Build Active Architecture Only to NO #294 #293
- Optimisation by reusing NSDateFormatter instances #296 #301