v2.2

What's Changed

• fuzz: generate the last possible UTF-8 byte value as well by @mrc0mmand in #112
• rand: allow generating arbitrary D-Bus signatures by @mrc0mmand in #113
• tree-wide: use #pragma once by @mrc0mmand in #116
• tree-wide: move logging stuff into a separate file by @mrc0mmand in #115
• Extract all public stuff from dfuzzer.h and drop the file completely by @mrc0mmand in #117
• Introduce unit tests for df_rand_* stuff by @mrc0mmand in #118
• fuzz: check if the connection is not closed by @mrc0mmand in #120
• tree-wide: unify asserts by @mrc0mmand in #121
• fuzz: rework df_exec_cmd_check() by @mrc0mmand in #119

Full Changelog: v2.1...v2.2