I lost all of my inventory, armor, and skin!

Put the summary of the bug you're having here

What I expected to happen was...:
I expected to have a normal game of Minecraft.

What actually happened was...:
I noticed that my inventory and armor was GONE! Skin may reload.

Steps to Reproduce:
1. Open Minecraft 14w30c and go to 'Singleplayer'.
2. (Optional: Start LAN World) Select 'Save and Quit to Title'.
3. Reload World to find only placed blocks remaining.