Initial commit
+TextNode
+HTMLTag
Some changes in inheritance logic
Now we may working with tag attributes thru OOP
Some fixes in TagAttributes
Some fixes in Tag Output logic
Other minor fixes
Removed some code duplication
Added abstract __toString to all web nodes. It makes.
This makes it possible to convert html tag in plain text
Added feature for get\set an element text.
Some code refactoring
Added set\get text\html.
Some code refactoring
Added groups functionality for nodes
Fix TagAttribute constructor
Added groups functionality for attributes.
Some refactoring.
Change id generator
Minor fixes
Added String class.
Added decode tool.
Made very lite html parser.
Improvements of html parser
First trying to write html-parser with php_dom
Now we may clone nodes
Merge branch 'master' into parser_with_dom

Conflicts:
	composer.json
	index.php
Fix remove children.
HTML parsing based on php-dom