  * Added bind_server_address and bind_client_address as configuration
    options. The default configuration binds to localhost only. (issue #89)
    
  * Added -rf to makefiles. (fixes make clean) (#86, @paulgevers)
  
  * Replaces pcre with pcre2. (issue #90)
  
  * Make sure PATH_MAX is defined.
  
  * Added optional shard compression.
  
  * Use unsigned instead of signed char for QPack buffer.
  
  * Initialize structs to null by using memset.