Added sendCommand

Added sendCommand function to abstract the startWrite and endWrite more.

Big-endian writePixels() option for SAMD DMA

1.4.8

Bump version # for big-endian writePixels() option

Fix union error on pre-C++11 compilers

1.4.7

Fix error with pre-C++11 compilers

Fix compilation on non-SAMD51 boards

1.4.6

Conditional compile SAMD51 parallel code

DMA on PyPortal, non-blocking writePixels() option

1.4.5

Bump version #, enable DMA by default on PyPortal

Change SPI transaction & CS ordering

1.4.4

Change transaction & CS ordering

Parallel DMA for PyPortal

1.4.3

Parallel DMA working on PyPortal

Appease the ESP8266 compiler

1.4.2

Appease the ESP8266 compiler

Bump release version (no change from 1.4)

Update library.properties

bump version

Add parallel interface support (PyPortal)

Update README.md

move to travis.com