Fixed Silver spawning.

It was using a string rather than a number.
Merge pull request #77 from madbeast/Issue-74-Fix-item-id-of-silver

Fixed Silver spawning.
HP and Chi saved on character disconnect from world now.
HP not calculated correctly though see
https://github.com/LiamKarlMitchell/InfiniteSky/issues/78
Updated makecsv for descriptions and skill stuff.

Added description 3 of skill.
Preparing to have CSV on google doc.

Started on game encrypt function.
Merged in master