some options for choosing hand cursor added to the options page.
an option for disabling/enabling notification added to the options page.
a revserse mode ( reverse scrolling) option added to the options page.
an option for revserse mode ( reverse scrolling) added to the options page.
an option for choosing Left/Middle/Right as the grabbing click added to the options page.
and ...

the icons were improved.
you have a preference page in which you could change some configs.
an enable(disable) button in the toolbar, now make it easy to turn on/off the addon.
functionality code has many changes in this version