Added channel handling from Paeetech

[dsjstc]

No description provided.

[kschwank]

If the name of the include would be changed, the library cannot be used as a drop-in replacement for the OneWire library to be used for example with the DallasTemperature library.

[gkostov]

If the name of the include would be changed, the library cannot be used as a drop-in replacement for the OneWire library to be used for example with the DallasTemperature library.

Yes, but this is more a problem of DallasTemperature which insists on the name of the include. Because of this I'm currently creating a soft link named OneWire to either the PJRC library or this one depending on whether I need software or hardware handling of the protocol. The name chosen here (DOneWire) is arguably a good pick but it does the job of being different and I'd love it if DallasTemperature gets modified to allow the user to include their preferred library.

Cheers