Merge pull request #3 from amit-handa/handling

Exception ordering and handling
Update README.md
added authmgr,
additional configs like session validity window, secret key etc
updated client/server accordingly.
added authmgr,
additional configs like session validity window, secret key etc
updated client/server accordingly.
Merge branch 'devamit' of https://github.com/amit-handa/noty into devamit
session mgmt, verification through cookie and secret key encryption added
config updated accordingly.
Merge pull request #4 from amit-handa/devamit

Devamit
Indentation changes
Moved security stuff to auth manager
Removed response object from request
Moved security stuff to AuthMgr
Removed constant MAC_ALSO_NAME as its moved to AuthMgr
Just formatting
Auth handling enhanced
Invalid sessions hashmap is not required as we are closing channel