1.1.0  22.07.2019
           - fix compilation errors on clang
           - fix compilation warnings (withc lambda cv capture)
           - std::string_view -> panda::string_view related changes
           - remove call proxy, change sub/stash/object API call to more convenient
             (variadic args, context return type, etc)
           - fix numeric C++ typemaps
1.0.0  12.07.2019
           - rewritten and refactored from Panda::XS
           - add std::map, std::vector and bool typemap's
           - add multi XS support (XS_BOOT helper)
           - BOOT function is also catch-guarded now