Added clock widget draft
refs #901
Speeded up clock time value converting method
refs #901
Added direction prop to the clock
refs #901
Added delimiter prop to the clock
Clock as a configurable
Improved clock update method on direction backward case
refs #901
Added database manager for audio app
Designed tree-esque db schema
Added functions for getting different kind of stuff from the db
Added two general useful functions
refs #908
Sorted params definitions in audio db manager
Deleted not neccessary row in track
refs #908
Fixed minor spelling mistake
refs #908
Did fixed minor spelling mistake
refs #908
Added funcs for inserting music to database
Funcs for inserting one by one
Func for the whole library
refs #908
Added module with loader of the music library info
Added func for loading all
Added testing module in concept
refs #920
Removed not neccessary arg passed in data loader
refs #920
Minutes on clock is zero after hour completion
refs #931
Added measured proccess prop to clock widget
Added method for updating clock value on proccess progress basis
Fixed pisak header configurableness
refs #901
Merge branch 'master' into audio-db
Merge branch 'master' into clock
Values nullable when no tags avalaible
refs #908
Added handling of unknow tags in audio files
Improved cover extraction from folders with audio
refs #920
Absolute paths to album covers in db
refs #920
More self-explanatory name of the cover find func
refs #920
Audio db invulnerable to unique cst fails
refs #908