diff --git a/lib/Tesseract.2015.07.14.js b/lib/Tesseract.2015.07.14.js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.2015.07.14.js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()
diff --git a/lib/Tesseract.2015.07.14.v..js b/lib/Tesseract.2015.07.14.v..js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.2015.07.14.v..js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()
diff --git a/lib/Tesseract.2015.07.14.v.0.js b/lib/Tesseract.2015.07.14.v.0.js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.2015.07.14.v.0.js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()
diff --git a/lib/Tesseract.2015.07.14.v.1.js b/lib/Tesseract.2015.07.14.v.1.js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.2015.07.14.v.1.js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()
diff --git a/lib/Tesseract.2015.07.14.v.asdf.js b/lib/Tesseract.2015.07.14.v.asdf.js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.2015.07.14.v.asdf.js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()
diff --git a/lib/Tesseract.2015.07.15.v.0.js b/lib/Tesseract.2015.07.15.v.0.js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.2015.07.15.v.0.js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()
diff --git a/lib/Tesseract..js b/lib/Tesseract.2015.07.15.v.3.js
similarity index 100%
rename from lib/Tesseract..js
rename to lib/Tesseract.2015.07.15.v.3.js
diff --git a/lib/Tesseract.js b/lib/Tesseract.js
deleted file mode 100644
index 95da8fa..0000000
--- a/lib/Tesseract.js
+++ /dev/null
@@ -1,130 +0,0 @@
-var Tesseract = (function(){
-
-	var Tesseract = {}
-
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-	//https://rawgit.com/naptha/tesseract.js/master/worker/worker.js   for testing
-	//https://cdn.rawgit.com/naptha/tesseract.js/master/worker/worker.js
-
-	var blob = new Blob(["importScripts('__tesseractjs__');"]); // changed on build
-	// console.log('localhost')
-	var worker = new Worker(window.URL.createObjectURL(blob));
-	worker.postMessage({init: {mem: 16777216*6}})
-	var bigworker = false
-
-	var index = 0
-	var handlers = []
-
-	worker.onmessage = function(e){
-		var handler = handlers[e.data.index]
-		if(e.data.progress){
-			handler.progress(e.data.progress)
-		}
-		else if(e.data.err){
-			handler.reject(e.data.err)
-			handler.callback(e.data.err)
-		}
-		else {
-			handler.resolve(e.data.result)
-			handler.callback(null,e.data.result)
-		}
-	}
-
-	function convertToImageData(image){
-		if(image.getContext){
-			image = image.getContext('2d');
-		}else if(image.tagName == "IMG" || image.tagName == "VIDEO"){
-			var c = document.createElement('canvas');
-			if(image.tagName == "IMG"){
-				c.width  = image.naturalWidth;
-				c.height = image.naturalHeight;
-			}else if(image.tagName == "VIDEO"){
-				c.width  = image.videoWidth;
-				c.height = image.videoHeight;
-			}
-			var ctx = c.getContext('2d');
-			ctx.drawImage(image, 0, 0);
-			image = ctx;
-		}
-		if(image.getImageData) image = image.getImageData(0, 0, image.canvas.width, image.canvas.height);
-		return image	
-	}
-
-	Tesseract.detect = function(image, progress, callback){
-		image = convertToImageData(image)
-
-		if(typeof progress === "undefined"){
-			progress = callback = new Function()
-		}
-
-		if (typeof callback === "undefined"){
-			callback = progress
-			progress = new Function()
-		}
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback
-		handlers[i].progress = progress
-		
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'detect', image: image})
-		})
-
-	}
-
-	Tesseract.recognize = function(image, options, callback){
-		var lang = options.lang
-		if (typeof lang === "undefined"){
-			lang = 'eng'
-		}
-
-		if (!bigworker && ['chi_sim', 'chi_tra', 'jpn'].indexOf(lang) != -1){
-			worker.postMessage({init: {mem: 16777216*10}})
-			bigworker = true
-			console.log('started big worker')
-		}
-
-		if (typeof options === 'string') {
-			lang = options
-			options = {}
-		}
-
-		if (typeof options === "function") {
-			callback = options
-			options = {}
-		}
-
-		image = convertToImageData(image)
-
-		var i = index++
-
-		handlers[i] = {
-			resolve: new Function(),
-			reject: new Function()
-		}
-		handlers[i].callback = callback || new Function()
-		handlers[i].progress = (function(){
-			if(typeof options.progress === 'function'){
-				var p = options.progress
-				delete options.progress
-				return p
-			}
-			return function(){}
-		})()
-
-		return new Promise(function(resolve, reject){
-			handlers[i].resolve = resolve
-			handlers[i].reject = reject
-			worker.postMessage({index: i, fun: 'recognize', image: image, lang: lang, options: options})
-		})
-	
-	}
-	return Tesseract
-})()