Level system now works, complete with a level builder that will rename each save as it is saved. Be careful not to press 'S' too many times when saving a level.
Doin it again
Merge branch 'master' of https://github.com/Sephonia/XNAPWN

Conflicts:
	WeakSven/WeakSven/Game1.cs
	WeakSven/WeakSven/WeakSven.csproj
	WeakSven/WeakSven/bin/x86/Debug/WeakSven.exe
	WeakSven/WeakSven/bin/x86/Debug/WeakSven.pdb
	WeakSven/WeakSven/obj/x86/Debug/WeakSven.exe
	WeakSven/WeakSven/obj/x86/Debug/WeakSven.pdb