- api.c/h
	- added type apiVarDouble,
    - detailed Error message when exceeding argument limits
    - refactored register functions
    - fixed delay function call
- api_define.h 
	- changed MAX_LENGTH_KEYWORD from 4 to 5
- Makefile, touch.sh
    - fixed buggy messages and introduced touch for api_version.c
- read/writeRegisters.c/h, waveform*.c/h
	- refactored names

    -