Add the changelog

Author: stof

CHANGELOG.md

@@ -0,0 +1,23 @@
+1.2.0 / 2015-09-21
+==================
+
+Features:
+
+* Return the value of the condition in the `wait` method
+* Added `submitForm` to submit a form
+* Added `isSelected` to check for the selected check of `option`
+* Implemented `getOuterHtml`
+
+Bug fixes:
+
+* Allow newer versions of Buzz
+* Added more details in error messages in case of Sahi failure
+* Fixed the attribute getter for empty attributes
+* Fixed the escaping of JS values to support multiline strings
+* Improved the script evaluation to preserve the type
+
+Testsuite:
+
+* Added testing on PHP 5.6 on Travis
+* Added testing on HHVM
+* Added more tests for the client