MOBILE-2842 core: New SQLiteDB methods
MOBILE-2842 core: New SQLiteDB methods

moodlehq/moodlemobile2,dpalou/moodlemobile2,saman222/moodlemobile2,reskit/moodlemobile,FMCorz/moodlemobile2,reskit/moodlemobile,moodlehq/moodlemobile2,reskit/moodlemobile,reskit/moodlemobile,reskit/moodlemobile,moodlehq/moodlemobile2,saman222/moodlemobile2,moodlehq/moodlemobile2,dpalou/moodlemobile2,saman222/moodlemobile2,reskit/moodlemobile,moodlehq/moodlemobile2,FMCorz/moodlemobile2,saman222/moodlemobile2,saman222/moodlemobile2,dpalou/moodlemobile2,moodlehq/moodlemobile2