Can separately define X and Y text scaling and anti-alias warning fix

Added option to separately define X and Y text magnification factor thanks to @jonnieZG
Fixed strict-aliasing warning thanks to @grafalex82

Enable SPI DMA by default for PyGamer/PyBadge

1.5.3

bump to speed up arcada

Inline some trivial functions, add byteSwap() for GFXcanvas16

1.5.2

Appease the Travis

Add hooks for SPI data mode

1.5.1

Restore hwspi._mode at the end of all DMA transfers

Moved readcommand8() to GFX Library

Moved the readcommand8() function to the Graphics Library for reading display information.

Fix for fillTriangles on some larger displays

This fixes an overflow issue in some circumstances with fillTriangles()

SPI fix for ESP8266 and friends

1.4.13

SPITFT: ESP8266 fix

SPITFT: work with SERCOM SPIs

1.4.12

SPITFT: work with any SERCOM SPIs

Rename 'tft8' flag to 'tft8bitbus'

This avoids a name confusion when subclassing displays

SPI DMA: add support for SERCOM6 & 7 on big M4 chips

1.4.10

SPI DMA: add support for SERCOM6 & 7 on big M4 chips