Changes:

• Fixed LimeSDR channel selection
• Fixed RTL-TCP not saving settings
• Fixed FFT size change causing a crash
• Added PPM setting to RTL-TCP and RTL-SDR sources

Important: See readme for dependencies, the MacOS and Ubuntu/Debian packages don't include them.

Note: The MacOS package doesn't create an icon, run sdrpp in a terminal to run SDR++. Also, it's is missing quite a few source modules, please wait a few more days for me to fix that.