1/2/4 Moving Average STR 1.0.0

A simple indicator that uses 1/2/4 SMA for Buy and Sell signals.

Buy signal: both 1 and 2 SMAs cross over the 4 SMA on the same bar.
Sell signal: both 1 and 2 SMAs cross under the 4 SMA on the same bar.

Can be coupled with TRP for better view.