Scripting Blueprints questions

Hi

I have a few question about Blueprints and Lua (scripting language) it is posible to use LUA in Unreal Engine 4 blueprints?!

Another question:

1.What do you think about using Lua in this area (its good or bad idea mayby you posibly sugest another language?!)

2.How i can integreate with lua scripts in Blueprints (any documentation or tutorial?!)

3.It is posible to integrate Lua with C++ for example?! (There is no colosion?!)

Thanks for any answer