(afl for 2 months) 171 new files with 239 new features added; 4 new c… #77

…overage edges

If you are adding fuzz seeds, please "merge" the seeds before submitting this pull request, then remove the instruction text here.

You can use the libFuzzer option -merge=1 (recommended with -use_value_profile=1) or the --m_dir option of the fuzz runner: https://github.com/bitcoin/bitcoin/blob/master/test/fuzz/test_runner.py