[Todo]
Add movement

[Changelog]
Implemented `populateMoorhens' to randomly generete specific amount of moorhens
Moving and Stopping items now - Still prototype

[Todo]
Reuse existing objects
Remove/hide objects how went over border
Display killed moorhens(Rectangles :D)
Display misses
something else? Polishing of course!

[Changelog]
Implemented `moveMoorhens'
`hideUnderCursor' now also deletes move-tags `left' and `right' (From entrypoint)
`populateMoorhens' is now only for gameinit, use existing instead
Added some comments