Merge pull request #50 from hugues31/bittrex

Update some dependencies

Author: hugues31

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "coinnect"
-version = "0.5.3"
+version = "0.5.4"
 license = "MIT"
 authors = ["Hugues Gaillard <[email protected]>", "Alejandro Inestal <[email protected]>"]
 description = """
@@ -36,10 +36,10 @@ hyper = "0.10.9"
 serde_json = "1.0.0"
 hyper-native-tls = "0.2.2"
 lazy_static = "0.2"
-bidir-map = "0.3.2"
+bidir-map = "1.0.0"
 data-encoding = "2.0.0-rc.1"
-error-chain = "0.7.1"
+error-chain = "0.11.0"
 sha2 = "0.6.0"
-hmac = "0.3"
+hmac = "0.4.2"
 bigdecimal = "0.0.10"
 chrono = "0.4.0"