Adding new parser tokens for new language style
Adding a language mock as an example to do the Newton Iteration in AnLang
Updated the other language mocks to reflect the new language style
Fixing a typo in `grammar/tokens-lang.yml`
Adding support for setting node types upon emitting
Adding some new node types
Adding variable id node
Regenerating Parser
Renaming some stuff in Parser, some other stuff
Moved token matchers into helper class
Updating symbols ;)
Correcting a rename
Fixing a reference
Merge branch 'master' into feat_lang

Conflicts:
	src/AnLang/Parser.php
	src/AnLang/Phison/templates/MainParser.tmpl
Merge pull request #19 from AnhNhan/feat_lang

Some language and code updates