Daniel Wong

Added an important instruction to README.md.

4

Namely, that you need to #include . For searchability, I mention the error message that will appear if you fail to do this. New instruction(s) are in a new section...

metaclass

2

I see that MP does not (yet) support metaclasses (per item #6 on https://github.com/micropython/micropython/wiki/Differences#differences-by-design). It sounds like the MP developers would like to add this feature some day, but it's...