add support M5StickCPlus

add support M5StickCPlus ( autodetect C or CPlus )
add TFT_eSPI compatible functions ( initDMA / waitDMA / dmaBusy )
bugfix: Crash when certain angles were specified for pushRotate and pushRotateZoom.
bugfix: readRect with rgb565_t, rgb888_t
bugfix examples for ILI9488 .
update: jpeg decode speed up.

add drawBezier ( Cubic Bezier curve )

fix examples bug
add drawBezier ( Cubic Bezier curve )
update: jpeg decomp speed up.
update: The paint function has been modified to support a giant sprite.

Fix: pushPixelsDMA arguments were mistakenly treated as half the length.

Fix: pushPixelsDMA arguments were mistakenly treated as half the length.
update: drawBmpFile, drawJpgFile, drawPngFile takes a fs::File* and works.
modify: The procedure for loading custom settings has been changed.

bugfix: #21 Buffer overruns occur when draw_string on a string of zero length. ( thanks for @haoling )

Fixed an issue where the BMP font was 1 pixel out of bottom when the decimal point scale was set.
add typedef GFXglyph and GFXFont
update: Avoiding File Conflicts.

bugfix: pushColors did not work properly.

bugfix: pushColors did not work properly.
add compatibility color definitions (LGFX_TFT_eSPI)
add examples/Sprite/CollisionCircles
add examples/Game/BallMaze

bugfix: GFX font can't print white space.

bugfix: GFX font can't print white space.
Revamped the method of setting up the environment.
Adjusting file naming conventions.

Changed the argument of setTextSize from int to float.

update: Changed the argument of setTextSize from int to float.
add drawBezier function

bugfix: drawBmp and drawPng from the memory array does not work.

bugfix: drawBmp and drawPng from the memory array does not work.
add: examples/Sprite/PartyParrot.

fix pushImage bug

add examples/HowToUse/3_fonts
fix: The transparent color of pushImage did not work properly.

bugfix and refactoring

Merge pull request #15 from lovyan03/unstable

v0.1.7