~ Changed indentation layout
~ Replaced some functions from utilities.h with more performant ones
(tested in gr-lora-benchmarks)
+ Added message if spreading factor is set outside of compatible range
+ Added this keyword for class members
+ Added NDEBUG macro to be able to completely remove debugging (for
performance improvement)
~ Extracted multiplications from loops to a precalculation instead
~ Reworked flow of most of the functions
* TODO: Change find_preamble algorithm for better detection
* TODO: Change detect_downchirp algorithm for better sync
- Added tutorial images
- User configurable sample rate
- Block for sending messages to Wireshark
- Optional block for storing messages in MongoDB
- Debug port is now an optional message port instead of writing automatically to /tmp