bug-fix issue #1 https://github.com/Maxwe11/NModbus4/issues/1
convert tabs to spaces
add checking of Read() return value. without this using of non-initialized (0) value or value from the previous step of loop.
Changed SLAVE_DEVICE_BUSY to use retry count instead of retrying indefinitely
Utility to convert an ushort array into a double
version update
add checking of Read() return value. without this using of non-initialized (0) value or value from the previous step of loop.

Conflicts:
	Modbus/IO/StreamResourceUtility.cs