Update 1.2.1 Release

Changed to wait for USB serial preparation at startup.

(To support toppers TA2LIB https://github.com/toppers/Arduino_TOPPERS_ASP-renesas_uno)

Update 1.2.0 Release

1. change header filename to match library name(GG.h)
2. clear warnings at compile time
3. added demo video to README

Update 1.1.0 Release

move TP function to GG_for_Arduino, add gg_con_RegistMemCMD()

Update 1.0.1 Release

added README_J.md

Initial 1.0.0 Release

First release