Update to 3.1.3
    
    Packaging is significantly updated. It seems libmumbl is gone.
    
    In rawhide this fails with
    >>> moose.Neutral('/n')
    /usr/include/c++/8/bits/basic_string.h:1058: std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::operator[](std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference = char&; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type = long unsigned int]: Assertion '__pos <= size()' failed.
    Aborted (core dumped)
    
    :(