Golem 0.22

Removed key difficulty check for inbound messages (#14)

0.19.0

Update constants

0.16.0

• Changed messages encryption algorithm to match implementation from libsecp256k1 which is used by Golem-message as of 2.9.0

Backward compability for 0.15.0

• fix deserialization fatal when receiving messages from older versions

0.15.0

• implemented key difficulty
• support for Golem messages 0.17.2
• support for mainnet

0.11.0

• Adapted new Golem Messages logic
• code clean up

0.10.0

add license