Add Composer file
Merge pull request #12 from Anahkiasen/composer

Add Composer file
adding License file
Remove +x from a few files which are not executable

Summary: We embed this library in Phabricator, which someone further
downstream from us is packaging with a tool that objects to having `+x` on
arbitrary files. None of these files are actually executable, so strip the
unnecessary bit.
Merge pull request #13 from epriestley/master

Remove +x from a few files which are not executable
added getEnvironment function to specify whether on production, stage, or no environment set
added getEnvironment function to specify whether on production, stage, or no environment set
Added ability to send API-Vesion header when making call requests with PHP SDK.
fixed language in README
fixed spacing
fixed spacing
added manage_subscriptions as permission for oauth2 call
add setApiVersion function to PHPSDK
updated sdk version
updated set api version function comment
updated set api version function comment
fixed oauth2 permissions
add client_id to user agent for debugging purpose
add client_id to user agent for debugging purpose
Merge pull request #14 from michiphung/master

add client_id to user agent for debugging purpose