fixed bug with getting all sessions and in sumUpSessions function
fixed bug with getting all sessions and in sumUpSessions function

corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap,corchwll/amos-ss15-proj5_phonegap