Add support for function-based document onload shorthand

DOM.js

@@ -142,7 +142,7 @@ NS.apply = function(a,b) {
 
         if( style ){
             if(typeof style === 'string'){
-                el.style = style;
+                el.style.cssText = style;
             }else{
                 for( i in style ){
                     var s = el.style;

build.js

@@ -5,9 +5,9 @@ const {minify} = require("terser"),
     DOM = ['DOM.js'],
     rDOM = DOM.concat('Observer.js', 'Store.js', 'Transform.js', 'Ajax.js', 'Cmp.js'),
     dir = 'build',
-    header = `/* Vanilla.js Reactivity by Ivan Kubota. 
-* ©Form.dev 2012—${(new Date()).getFullYear()}
-* License: MPL-2.0 for not commercial use and all projects that involves me 
+    header = `/* Vanilla.js reactive library by Ivan Kubota. 
+* Form.dev 2012—${(new Date()).getFullYear()}
+* License: MPL-2.0 
 */
 `;
     build = {