Updates will require latest Forge, see Notes

mc.func_110434_K().func_110577_a() is now mc.renderEngine.bindTexture
I18n.func_135053_a() is now I18n.getString()

Need to update texture file as well to include brackets to be rendered around active slot.
Merge pull request #11 from coolAlias/patch-11

Updates will require latest Forge, see Notes