You can do this, take a look at: http://www.sublimetext.com/docs/2/column_selection.html

Added in build 2027

Added in build 2027

Fixed in 2027

Fixed in build 2027

This may be fixed in 2027, please let me know if it happens again

Fixed in build 2027

Added in build 2027

Added in build 2027

I don't believe WinSparkle supports 64 bit applications, nor does it support updating portable versions.

Also, it doesn't save as many clicks as you'd hope, as it just downloads the installer automatically, you still have to click through the installer screens.