Added support for P-Channel Mosfets

[TaaraLabs]

Added support for P-Channel Mosfets Added link to the working PID library archive since the original library has changed and does not work anymore

[wagiminator]

Hi, thank you for your contribution. I will make some minor changes:

• make a new version 1.8 out of it
• put the MOSFET definition more on top of the code