* fix OOM issue caught by fuzzing
* use ParsedAddress as the struct name for the result of ParseNetworkAddress
* simplify code using the ParsedAddress type
* minor cleanups
* fuzz: lay down the foundation for continuous fuzzing
* improve the fuzzers and add some
* fuzz: add Fuzzit badge to README & enable fuzzers submission in CI
* v2-fuzz: do away with the submodule approach for fuzzers
* fuzz: enable fuzzit