Change keymap command to super

1.2.4

Change command to super closes #39

Fix browser detection on os x mavericks

Fix running browser detection on Mavericks

This fix will properly detect Safari and Webkit
unde Mac OS X 10.9 Mavericks

Fixes issue on ST3

1.2.2

Removes print statements

Yandex support

This release adds support for Yandex.browser.