Exctract global vars
Merge pull request #42 from yguedidi/extract-global-vars

[Proposal] Exctract global vars
ETag support
Merge pull request #38 from bartekn/etag-support

ETag support
Doc block fixes
Fix #50

Add the client_id property to call on getExchangeToken method.
Merge pull request #46 from SammyK/doc-block-fixes

Doc block fixes
Merge pull request #51 from wlepinski/master

Fix #50
Update FacebookResponse.php

Fixed paging attribute to "paging" and fixed "Cannot use object of type stdClass as array" error
fixed $url['path'] already contains api version
Fix Etag handling
Composer is a prerequisite for running the tests
Merge pull request #65 from dfabulich/patch-1

Composer is a prerequisite for running the tests
Merge pull request #60 from yguedidi/fix-etag-handling

Fix Etag handling
Merge pull request #55 from danielegrosso/master

[Bug Fix]  paging and sdtClass error on FacebookResponse.php