v1.7.0 released

Data extraction on Time*DataFrame now can be done directly by using date (POSIXct or suitable character strings) :
data['yyyy-mm-dd' , 'yyyy-mm-dd']
data['yyyy-mm-dd' , ]
data[ , 'yyyy-mm-dd'] data['yyyy-mm-dd tz' , ]
data['yyyy-mm-dd hh:mm:ss' , ]
data['yyyy-mm-dd hh:mm:ss tz' , ]

etc.