Merge pull request #79 from srabouin/master

Use HTTPS and add missing steamLoginSecure cookie in webLogOn
Use login key from ClientLogOnResponse, not ClientNewLoginKey

The former replaced the latter on 17 Oct 2013, causing the first webLogOn attempt to always fail.
0.6.7
Merge pull request #1 from seishun/master

Updating to 0.6.7