fix bug - invoke/range without '...' & add const-class to check
add invoke-static/range to check
fix bugs when param equal with J or D in decompile method & fix bug when param_string equal with empty string, it will return [] rather than [] in get_invoke_info()
add const-class for decompile
Merge pull request #6 from atdog/master

fix bugs, check J/D in decompile output, solve const-class in decompile output