Allow customization of key generation in cookie session store
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Automatically import Plug.Conn for builder
update router module docs to match readme
Merge pull request #120 from geemus/update-router-docs

update router module docs to match readme
Update README.md

Plug.Conn must be imported for the send_resp/3 function to be in scope.
Merge pull request #122 from smashedtoatoms/patch-1

Update README.md
Trim the AES key to size (256 bits)

This is the same behaviour as ruby OpenSSL
Merge pull request #123 from cconstantin/trim-aes-key

Trim the AES key to size (256 bits)
Merge pull request #117 from cconstantin/cookie-session-store-key-opts

Allow customization of key generation in cookie session store
Use PKCS7 padding, the same as OpenSSL
Merge pull request #124 from cconstantin/pkcs7-padding

Use PKCS7 padding, the same as OpenSSL