Error running main nimx example code.
I followed the instructions but when I compiled/ran the example I get:

~/.nimble/pkgs/nimx-0.1/nimx/view.nim(400, 14) template/generic instantiation from here
~/.nimble/pkgs/nimx-0.1/nimx/class_registry.nim(49, 25) template/generic instantiation from here
~/.nimble/pkgs/nimx-0.1/nimx/class_registry.nim(31, 32) template/generic instantiation from here
~/.nimble/pkgs/variant-0.1.0/variant.nim(29, 46) Error: no generic parameters allowed for ref
