ArduinoSCPIParser2

Instrument side SCPI parser

Based on https://github.com/LachlanGunn/oic

Changes from the original version

• Examples path corrected
• Error queue circular array based (no more malloc)
• SCPI SYSTEM subsystem implementation removed, it must implemented in the arduino code

TODO

• More examples
• Implementing register to make the library SCPI IEEE 488.2 comliant