Merge #116: Bump to version 0.18

3f6dd0c Bump to version 0.18 (Daniela Brozzoni)

Pull request description:

ACKs for top commit:
  RCasatta:
    ACK 3f6dd0c

Tree-SHA512: f42f2008d79b9a0334c375652842fb2745d2481422a24f27dd4e350bcc17e47f0da2888545a344e1438ede288ed2ad0de8b359b87004fbe059f310aad886c60a

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "electrum-client"
-version = "0.17.0"
+version = "0.18.0"
 authors = ["Alekos Filini <[email protected]>"]
 license = "MIT"
 homepage = "https://github.com/MagicalBitcoin/rust-electrum-client"