Fuzz

Implement FromStr trait and Serde feature to NetworkId #81

Job	Run time
fuzz (tapyrus_deserialize_address)	3m 37s
fuzz (tapyrus_deserialize_amount)	3m 20s
fuzz (tapyrus_deserialize_block)	3m 20s
fuzz (tapyrus_deserialize_prefilled_transaction)	3m 43s
fuzz (tapyrus_deserialize_psbt)	3m 24s
fuzz (tapyrus_deserialize_script)	3m 44s
fuzz (tapyrus_deserialize_transaction)	3m 32s
fuzz (tapyrus_deserialize_witness)	3m 38s
fuzz (tapyrus_deser_net_msg)	3m 27s
fuzz (tapyrus_outpoint_string)	3m 32s
fuzz (tapyrus_script_bytes_to_asm_fmt)	3m 19s
fuzz (hashes_cbor)	3m 31s
fuzz (hashes_json)	3m 22s
fuzz (hashes_ripemd160)	3m 20s
fuzz (hashes_sha1)	3m 22s
fuzz (hashes_sha256)	3m 30s
fuzz (hashes_sha512_256)	3m 58s
fuzz (hashes_sha512)	3m 31s
verify-execution	5s
	1h 3m 15s

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