Add some docs to session.go
Allow session only expiration

Now it's possible to set session.expires=0 in config and the session will expire when the browser is closed.
Fix compilation

And small refactoring
Too much copy-n-paste
Fix comments to adhere go standard better
Fix suggestions from Rob
Fix sessionTimeoutExpiredOrMissing, rearrange else ifs
Remove extra space
Fix Websockets for IE

IE header "Upgrade: Websocket" 
Chrome/Firefox header: "Upgrade: websocket"
Sleep between tests to give more time to release port.
Merge pull request #327 from ottob/master

Allow session only expiration
Merge pull request #328 from hura/master

Session variables are now copied to RenderArgs["session"]
fix typo of user
Merge pull request #344 from dougnukem/documentation-fix

fix typo of user
Return false to avoid adding "#" to the URL.
Merge pull request #347 from rsenk330/debug-js-fixes

Fix for debug toolbar to avoid adding "#" to URL after clicking
Merge pull request #324 from hura/patch-6

Add some docs to session.go