Alden's 1st attempt at merge from rob branch
Resync to Studio6.1 newlib and working printf
Merging changes from rob branch
004.01 added controller; moved serial and LED to controller
004.02 Added read_line; start long process of converting doubles to floats
Merge remote-tracking branch 'main/alden' into rob

Conflicts:
	TinyG2/Debug/Makefile
	TinyG2/Debug/makedep.mk
	TinyG2/TinyG2.cppproj