Improved test config
Added HTTP client implementaions for stream wrapper and Guzzle with fallback to stream wrapper when curl not installed
Merge pull request #91 from SammyK/better-test-setup

Improved test setup & config
Added FacebookPageTabHelper
Updated PageTabHelper
Merge pull request #97 from facebook/gFosco.pagetab

Added FacebookPageTabHelper
Updated session validation for app sessions and pages
Merge pull request #98 from facebook/gFosco.expires

Updated session validation for app sessions and pages
added throws phpdoc tag
Merge pull request #99 from irfanevrens/patch-1

added throws phpdoc tag
Enabled app secret proof by default
Merge pull request #112 from SammyK/enable-app-secret-proof-by-default

Enabled app secret proof by default
Merge pull request #90 from SammyK/http-client-implementation-guzzle-and-stream

Http client implementations for stream wrapper & Guzzle with stream fallback
Updated version tag
Added retrieval of app_data in URL
Merge pull request #113 from niraj-shah/master

Added retrieval of app_data for Page Tab Apps