Unified JobCallback into Callback. Breaking change.
Merge branch 'master' of https://github.com/SteamRE/SteamKit
Clean up Callback<T>; fix tests, xmldoc and samples
"Obsolete code doesn't purge itself." - OpenSSL Valhalla Rampage
Fix whitespace
Remove unused variable
Update EResult names.
Let's see if that shuts up Mono
While I'm breaking things... moved CallbackMsg to ICallback to allow for Callback<CallbackMsg> catch-all
Merge pull request #56 from Netshroud/master

Unify JobCallback and Callback/CallbackMsg into Callback/ICallbackMsg