- updated for 1.6.27 (see NEWS for more info)

- updated for 1.6.26 (see NEWS for more info)

- updated for 1.6.25 (see NEWS for more info)

- updated for 1.6.24 (see NEWS for more info)

- version 1.6.23

- version 1.6.20

- updated for version 1.6.19

 - updated for 1.6.18 (see NEWS for more info)

- (master,tools) automatic data cache management (v1.6.17)

- updated for 1.6.16 (minor bugs fixed)