Added feature to inject custom HTTP clients
extends GraphObject for Album
changed getters with 'get' prefix for all
for boolean getters camelCasing property name
Merge pull request #83 from danielegrosso/graphobject-album

add graphObject subclass for Album
Fix test after scope change.
Merged upstream changes and resolved conflicts. Syntax tweaks per @yguedidi
Merge pull request #84 from SammyK/feature-injectable-http-client

Added feature to inject custom HTTP clients
Stopped canvas helper from throwing when logged out.
Merge pull request #86 from facebook/gFosco.canvas

Stop canvas helper from throwing when logged out.
Removed appToken from test credentials file.
Merge pull request #87 from facebook/gFosco.apptoken

Removed appToken from test credentials file.
Added appsecret_proof handling to FacebookRequest.
Merge pull request #88 from facebook/gFosco.appsecret

Added appsecret_proof handling to FacebookRequest.
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