tag occurrence count added
logical exception
database classes modified
class tag info created
some refactor
moddified get tag occurence function, now returns treemap with sorted dates, map consists of date and tag occurence on this date
gettagoccurence definition modified to fit arraydatabse
extractinfo function added, extracts all info from array data base
ArrayDataBase parameter chenged to DataBase interface
taguccurrence function name and definition in mysqldatabase
merge with master
some unexpected changes were detected and resolved