Version 0.6.5

This is a bugfix release.

Notable changes:

* Fix incorrect behavior of `Connection#handshake` when a callback is
  not passed (Connection#username and Connection#sessionId were not
  set).
* Other methods that have an optional callback are slightly optimized.

Other changes:

* Fix typos in docs and tests.

PR-URL: #57

package.json

@@ -1,6 +1,6 @@
 {
   "name": "metarhia-jstp",
-  "version": "0.6.4",
+  "version": "0.6.5",
   "author": "Timur Shemsedinov <timur.shemsedinov@gmail.com>",
   "description": "JavaScript Transfer Protocol for Impress Application Server",
   "license": "MIT",