Alpha 0.1.1

Hi Shooters !

In this update only few improvements

- Increased players health to 5
- Expended window from 440x640 to 660x960
- Corrected spawn at 580 points, no bats, less octopuses
- Small comets have 1 hp, medium 2, big 3
- Added version text in menu at bottom left corner
- Increased background speed at 500 when meteor storm
- Slightly bigger sword