Initial commit
init
And Int64 and UInit64 class, and test files
initial .gitignore file
reset test dir.
remove src/test/Int64Test.as
import NativeWindow at NativeWindowUtil.as
add CmdUtil.as file
add autoSetCmdFile
Int64,UInit64 修复toHex出现多余的前导0\n修改toString，使其返回toString的字符串形式
Int64.toNumber使用更快捷的方法
添加FileUtil.as文件
修改SipleTextLoader示例的类路径
add test.txt
add SimpleLoader.as
fix warning for function
Merge commit 'f92b0b370f6c3d8b04ef1c37d5630d2737c63088'