cargo: bump version to 0.21.0

2017-02-24 16:36:12 +00:00 · 2017-02-24 16:36:12 +00:00 · 2ae1d53535
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "webdriver"
-version = "0.19.0"
+version = "0.21.0"
 authors = ["Mozilla Tools and Automation <tools@lists.mozilla.com>"]
 description = "Library implementing the wire protocol for the W3C WebDriver specification"
 documentation = "https://docs.rs/webdriver"