diff --git a/README.md b/README.md
index a873654..aa52e95 100644
--- a/README.md
+++ b/README.md
@@ -63,12 +63,12 @@ Here is the result:
 
 # Install
 
-    npm install gl-shader
+    npm install @lfdoherty/gl-shader
 
 # API
 
 ```javascript
-var createShader = require('gl-shader')
+var createShader = require('@lfdoherty/gl-shader')
 ```
 
 
diff --git a/index.js b/index.js
index 95b6969..6308b72 100644
--- a/index.js
+++ b/index.js
@@ -56,6 +56,21 @@ function compareAttributes(a, b) {
   return 1
 }
 
+proto.toString = function(){
+  var result = {}
+  if(!this.uniforms){
+    result.neverBound = true;
+  }else{
+    result.types = this.types
+    result.uniforms = {}
+    var local = this;
+    Object.keys(this.types.uniforms).forEach(function(uniformName){
+      result.uniforms[uniformName] = local.uniforms[uniformName]
+    })
+  }
+  return JSON.stringify(result)
+}
+
 //Update export hook for glslify-live
 proto.update = function(
     vertSource
diff --git a/lib/create-uniforms.js b/lib/create-uniforms.js
index 1d0870b..baf2efe 100644
--- a/lib/create-uniforms.js
+++ b/lib/create-uniforms.js
@@ -31,7 +31,7 @@ function createUniformWrapper(gl, wrapper, uniforms, locations) {
     return proc(gl, wrapper, locations)
   }
 
-  function makePropSetter(path, index, type) {
+  function makePropSetter(path, index, type, size, name) {
     switch(type) {
       case 'bool':
       case 'int':
@@ -47,12 +47,18 @@ function createUniformWrapper(gl, wrapper, uniforms, locations) {
           if(d < 2 || d > 4) {
             throw new GLError('', 'Invalid data type')
           }
+          let checkStr = ''
+          if(size && size > d){
+            checkStr = 'if(!(obj instanceof Float32Array)){throw new Error("must use Float32Array to set uniform array '+name+'")};\n';
+            const valueSize = size * d;
+            checkStr += 'if(obj.length !== '+valueSize+'){throw new Error("for uniform '+name+' size is " + obj.length + " but should be ' + valueSize + '")};\n' 
+          }
           switch(type.charAt(0)) {
             case 'b':
             case 'i':
-              return 'gl.uniform' + d + 'iv(locations[' + index + '],obj' + path + ')'
+              return checkStr + 'gl.uniform' + d + 'iv(locations[' + index + '],obj' + path + ')'
             case 'v':
-              return 'gl.uniform' + d + 'fv(locations[' + index + '],obj' + path + ')'
+              return checkStr + 'gl.uniform' + d + 'fv(locations[' + index + '],obj' + path + ')'
             default:
               throw new GLError('', 'Unrecognized data type for vector ' + name + ': ' + type)
           }
@@ -99,7 +105,7 @@ function createUniformWrapper(gl, wrapper, uniforms, locations) {
       var path = item[0]
       var idx  = item[1]
       if(locations[idx]) {
-        code.push(makePropSetter(path, idx, uniforms[idx].type))
+        code.push(makePropSetter(path, idx, uniforms[idx].type, uniforms[idx].size, uniforms[idx].name))
       }
     }
     code.push('return obj}')
@@ -143,9 +149,9 @@ function createUniformWrapper(gl, wrapper, uniforms, locations) {
 
   function storeProperty(obj, prop, type) {
     if(typeof type === 'object') {
-      var child = processObject(type)
+    //  var child = processObject(type)
       Object.defineProperty(obj, prop, {
-        get: identity(child),
+        //get: identity(child),
         set: makeSetter(type),
         enumerable: true,
         configurable: false
@@ -153,7 +159,7 @@ function createUniformWrapper(gl, wrapper, uniforms, locations) {
     } else {
       if(locations[type]) {
         Object.defineProperty(obj, prop, {
-          get: makeGetter(type),
+        //  get: makeGetter(type),
           set: makeSetter(type),
           enumerable: true,
           configurable: false
@@ -167,13 +173,17 @@ function createUniformWrapper(gl, wrapper, uniforms, locations) {
   function processObject(obj) {
     var result
     if(Array.isArray(obj)) {
-      result = new Array(obj.length)
+      throw new Error('should not happen')
+      /*result = new Array(obj.length)
       for(var i=0; i<obj.length; ++i) {
         storeProperty(result, i, obj[i])
-      }
+      }*/
     } else {
       result = {}
-      for(var id in obj) {
+      //for(var id in obj) {
+      const keys = Object.keys(obj)
+      for(let i=0;i<keys.length;++i){
+        const id = keys[i];
         storeProperty(result, id, obj[id])
       }
     }
diff --git a/lib/runtime-reflect.js b/lib/runtime-reflect.js
index c2d91cc..aec665c 100644
--- a/lib/runtime-reflect.js
+++ b/lib/runtime-reflect.js
@@ -44,19 +44,20 @@ function runtimeUniforms(gl, program) {
     var info = gl.getActiveUniform(program, i)
     if(info) {
       var type = getType(gl, info.type)
-      if(info.size > 1) {
+      /*if(info.size > 1) {
         for(var j=0; j<info.size; ++j) {
           result.push({
             name: info.name.replace('[0]', '[' + j + ']'),
             type: type
           })
         }
-      } else {
+      } else {*/
         result.push({
-          name: info.name,
-          type: type
+          name: info.name.replace('[0]', ''),
+          type: type,
+          size: info.size,
         })
-      }
+     // }
     }
   }
   return result
diff --git a/lib/shader-cache.js b/lib/shader-cache.js
index d39eba4..100b4d8 100644
--- a/lib/shader-cache.js
+++ b/lib/shader-cache.js
@@ -60,6 +60,7 @@ function compileShader(gl, type, src) {
         var fmt = formatCompilerError(errLog, src, type);
     } catch (e){
         console.warn('Failed to format compiler error: ' + e);
+        console.log('src is:\n'+src)
         throw new GLError(errLog, 'Error compiling shader:\n' + errLog)
     }
     throw new GLError(errLog, fmt.short, fmt.long)
@@ -71,7 +72,7 @@ proto.getShaderReference = function(type, src) {
   var gl      = this.gl
   var shaders = this.shaders[(type === gl.FRAGMENT_SHADER)|0]
   var shader  = shaders[src]
-  if(!shader || !gl.isShader(shader.shader)) {
+  if(!shader/* || !gl.isShader(shader.shader)*/) {
     var shaderObj = compileShader(gl, type, src)
     shader = shaders[src] = new ShaderReference(
       SHADER_COUNTER++,
@@ -105,7 +106,7 @@ function linkProgram(gl, vshader, fshader, attribs, locations) {
 proto.getProgram = function(vref, fref, attribs, locations) {
   var token = [vref.id, fref.id, attribs.join(':'), locations.join(':')].join('@')
   var prog  = this.programs[token]
-  if(!prog || !this.gl.isProgram(prog)) {
+  if(!prog/* || !this.gl.isProgram(prog)*/) {
     this.programs[token] = prog = linkProgram(
       this.gl,
       vref.shader,
diff --git a/package.json b/package.json
index e2dbe33..c0bbba9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
-  "name": "gl-shader",
-  "version": "4.2.0",
+  "name": "@lfdoherty/gl-shader",
+  "version": "4.2.3",
   "description": "WebGL shader wrapper",
   "main": "index.js",
   "directories": {
@@ -15,11 +15,11 @@
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "start": "beefy --open example/example.js"
+    "start": "beefy example/example.js"
   },
   "repository": {
     "type": "git",
-    "url": "git://github.com/stackgl/gl-shader.git"
+    "url": "git://github.com/lfdoherty/gl-shader.git"
   },
   "keywords": [
     "webgl",
@@ -32,11 +32,7 @@
     "3d",
     "gl"
   ],
-  "author": "Mikola Lysenko",
+  "author": "Mikola Lysenko, Liam Doherty",
   "license": "MIT",
-  "readmeFilename": "README.md",
-  "gitHead": "e28ce1d36277aeb6d109d886e847c7cdc1903cd9",
-  "bugs": {
-    "url": "https://github.com/stackgl/gl-shader/issues"
-  }
+  "readmeFilename": "README.md"
 }