Kurt Eckhardt d1a1892695 Allow setMISO/setMOSI/setSCK - after begin Made the SPI code work like the old stuff where you could set the miso/mosi/sck pins after the begin. Some people actually used this for changing SPI on the fly to use multiple sets of pins		7 lat temu
examples	Update examples to use transactions	10 lat temu
README.md	Update readme	11 lat temu
SPI.cpp	Allow setMISO/setMOSI/setSCK - after begin	7 lat temu
SPI.h	Enable Pins - can set more options	8 lat temu
keywords.txt	Use unified SPIClass for SPI1 & SPI2 on Teensy 3.5 & 3.6	8 lat temu
library.properties	Add library.properties	9 lat temu

SPI Library for Teensy