Updated sheet.json

added my roll20userid
Updated sheet.json and pathfinder-neceros.html

Added currency and experience table below the skill table.
Added tooltips for every field that'll show the field's attribute or
ability name.
Added a max calculation box to the feats section so users can add their
own custom max values for and abilities (ie 3 + @{CHA-mod}).
Updated the json instructions to be more descriptive of the sheet. Also
added my roll20userid.
Update sheet.json
Many changes to the sheet

sheet.json
added roll20userid
added more detailed instructions

pathfinder-neceros.html
added radio buttons for pc and npc, when selected the sheet
corresponding to the button will be shown and the other will be hidden
added currency table below skills
added tooltips to every field and button that displays that object's
name (for macro use and such)
Added sectional css

added CSS to hide sections
Merge pull request #167 from Thequietcroc/master

Huge update to the sheet, NPC stat block section added with hideable sections