Ensure signature comparison always takes the same amount of time to avoid Remote Timing Attacks.
Add space to if statement.
Add http method and parameters description
add fql query description with api method
Remove not recommended FQL
Merge pull request #64 from h0ke/master

Fix Remote Timing Attack vulnerability
fix #111: shouldRetainParam() should handle 'code'

shouldRetainParam function doesn't work as advertised in a comment,
return false if given 'code', 'code=', or 'code=a'
Merge pull request #118 from davies/master

fix #111: shouldRetainParam() should handle 'code'
Merge pull request #115 from agiuliano/master

Adding a further description of the api method
Added .DS_Store and .idea to .gitignore
Added ability to disable the signed_request parameter for non-canvas apps.
Merge branch 'master' of https://github.com/facebook/facebook-php-sdk
removed stateful functions; allow for fallback when the forwardProxies array is empty (via gfosco)