Creando un ORM

1. Ruby Metaprogramming Tutorial - Part 1 - send method por José Mota (YouTube)
2. Ruby Metaprogramming Tutorial - Part 2 - define_method por José Mota (YouTube)
3. Ruby Metaprogramming Tutorial - Part 3 - ORM example por José Mota (YouTube)
4. GitHub repo source code for the project creator exercise in the "Metaprogramming in Ruby" course.