Fixes:
- Don't limit camera rotation to 30hz, should now be perfectly smooth looking around.
- Fix incorrect sun lighting in some tall complex locations, e.g. in Lepker beacons.
- Fix occasional incorrect local lighting at chunk boarders when moving to a new area.
- Load chunks over HTTP. This should fix issues with chunks not loading.
- Fix for a bug causing "Error 0 in World. WebSocket closed." messages when changing worlds.
- Fix for portals not loading on Windows.
- Allow use of 3d-textures where supported to accelerate rendering effects (volumetric fog, weather particulate's block-lighting).