Vox v0.17 file

Vox V0.17
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New Features:

• Undo added to creation mode, you can now undo created blocks, deleted blocks and painted blocks.
• Make sure we clear the undo stack when we reload a creation sprite or leave creation mode.
• Remove particles button added to creation mode, this deletes any particle effects on the current sprite.
• Add some improvements to the configuration manager so more options can be saved/loaded to file.

Bugfixes:

• Footstep sounds re-enabled.
• More shader and FBO fixes - Support for more more graphics cards.
• Optimize some chunk culling.
• Allow for X360 gamepad async updating.
• Make the shadow renderer depth texture the same as the deferred renderer FBO texture.
• Re-enable the camera movement by arrow keys when in creation mode, custom character creation and particle editor.