* JSONCache for caching JSON data (vs reading + parsing every time)

* Minor changes

core/json_cache.js

@@ -0,0 +1,65 @@
+/* jslint node: true */
+'use strict';
+
+var Config				= require('./config.js').config;
+var Log					= require('./logger.js').log;
+
+var paths				= require('path');
+var fs					= require('fs');
+var Gaze				= require('gaze').Gaze;
+var stripJsonComments	= require('strip-json-comments');
+var assert				= require('assert');
+
+module.exports = exports = new JSONCache();
+
+function JSONCache() {
+
+	var self 	= this;
+	this.cache	= {};	//	filePath -> JSON
+	this.gaze	= new Gaze();
+
+	this.reCacheJSONFromFile = function(filePath, cb) {
+		fs.readFile(filePath, { encoding : 'utf-8' }, function fileRead(err, data) {
+			try {
+				self.cache[filePath] = JSON.parse(stripJsonComments(data));
+				cb(null, self.cache[filePath]);
+			} catch(e) {
+				cb(e);
+			}
+		});
+	};
+
+
+	this.gaze.on('error', function gazeErr(err) {
+
+	});
+
+	this.gaze.on('changed', function fileChanged(filePath) {
+		assert(filePath in self.cache);
+
+		Log.info( { filePath : filePath }, 'JSON file changed; recaching');
+
+		self.reCacheJSONFromFile(filePath, function reCached(err) {
+			if(err) {
+				Log.error( { error : err, filePath : filePath } , 'Error recaching JSON');
+			}
+		});
+	});
+}
+
+JSONCache.prototype.getJSON = function(fileName, cb) {
+	var self		= this;
+	var filePath	= paths.join(Config.paths.mods, fileName);
+	console.log(filePath)
+
+	if(filePath in this.cache) {
+		cb(null, this.cache[filePath]);
+	} else {
+		this.reCacheJSONFromFile(filePath, function fileCached(err, json) {
+			if(!err) {
+				self.gaze.add(filePath);
+			}
+			cb(err, json);
+		});
+	}
+}