Merge branch 'master'
Merge branch 'QA_2_4'
Set internal endpoint to "1.1" as well
Finish 2.4.3
Add README section about xAuth
Add Changelog entry for #24
Fix #24 Add README section about xAuth
Clean up README
Add README note that application-only auth does not work in IE<10, see #28
Remove trailing space
Bump version to 2.5.0-dev
Fix #46 Don't force to send base64 media uploads via proxy
Add ChangeLog entry for #46
Finish 46-media-base64
Current rate sent back with each call

This change now fetches the current rate limit / remaining etc. from the HEADER of each returned call and returns it as a second object to the callback parameter. This means you don't have to keep doing calls to find out what is left.
All all current internal methods
Merge branch 'origin/develop'
Add seaerch/universal internal API method
Add README section about internal API methods
Add CHANGELOG entry about internal API methods