copy and build from src
lib -> src
from parser.js from src/
first grunt build
rewrite ast.js in spider
rewrite ast/Node.js in spider
replace jshint with eslint
fix "use strict" statement in compiled JS
rewrite ast/Program in spider
rewrite ast/VariableDeclarator in spider
rewrite ast/Property in spider
delete .jshintrc
massive expression parsing performance improvement
set parent of extends CallExpression
regenerate lib to fix use strict
rewrite ast.Parameter in spider