Update version number for release

Cargo.toml

@@ -1,15 +1,15 @@
 [package]
 
 name = "webdriver"
-version = "0.5.0"
+version = "0.6.0"
 authors = ["Mozilla Tools and Automation <auto-tools@mozilla.com>"]
 description = "Library implementing the wire protocol for the W3C WebDriver specification."
 repository = "https://github.com/jgraham/webdriver-rust"
 license = "MPL-2.0"
 
 [dependencies]
-log = "0.3.1"
-regex = "0.1.41"
-rustc-serialize = "0.3.15"
-uuid = "0.1.17"
-hyper = {version = "0.7", default-features = false}
+log = "0.3.5"
+regex = "0.1.47"
+rustc-serialize = "0.3.16"
+uuid = "0.1.18"
+hyper = {version = "0.7.2", default-features = false}