Refactoring
Bug fixes
1.Add Extract strings to xls & Convert xls to strings. -- Buguibu
1.Support convert Android strings.xml files to excel.
1.Support convert multiple languages meanwhile.
1.Support Localizable.strings to android strings.xml file.
1.Fix bugs.
2.Add -h(help command) for python files.
3.Add -t(target file path )、-f(source file path) configuration for python files.
Add project.