Merge pull request #476 from JahPowerBit/develop

fix checkpoint checking + update test
Merge pull request #477 from JahPowerBit/develop

v9.47.1
Merge pull request #478 from CounterpartyXCP/develop

Merge v9.47.1 to Master
Merge pull request #479 from JahPowerBit/develop

fix bump version
Merge pull request #483 from JahPowerBit/develop

plyvel required only for kickstart
Merge pull request #484 from JahPowerBit/develop

tweaks
wording
Merge pull request #485 from CounterpartyXCP/develop

plyvel required only for kickstart
new version checking (fixes #203)
elegant protocol changes (fixes #458)
replace `devise()` (fixes #72)
typo
check that provided public, private keys match source address (fixes #104)
message initialise functions (fixes #193)
`scrypt.py`
typos; fixed tests
backwards‐compatible version checks (fixes #489)
hard‐coded mainnet burns (fixes #221)
use dict to store list of burns
typo