Merge pull request #8 from gamingrobot/master

Merge of steamgo into go-steam
Merge pull request #10 from gamingrobot/master

Servers: Can now select a CM by region
Merge pull request #11 from gamingrobot/master

Updated documentation
Generator: Fix all but the first enum node having no type
Generator: Instead of returning "INVALID" for ORed flags, try to find the underlying values

For example,
> (EPersonaStateFlag_OnlineUsingWeb | EPersonaStateFlag_HasRichPresence).String()
now returns
> "EPersonaStateFlag_HasRichPresence | EPersonaStateFlag_OnlineUsingWeb"
Generator: Make StartsWith call locale-independent
Steamlang: Regenerate
Fixed issue #13