Add oAUTH 2.0 to existing PHP api-class

====Job deadline in 24 hours from now==== I have an existing Google Picasa API class, it works with Client Login, which depreceated this month. Due to time constraints, I'm looking urgently someone who can modify the existing class. Only 3 functions needs to be changed. From clientlogin to oAuth 2.0 I think it will take less then an hour!