First draft on adding MX-64 missing functionality.
Small changes useful for me.

- Printing which id is pinging.
- Network uses MX64 exclusively.
Added definition for MX-106.

This library is getting confusing to use for each added device.
- Now with P,I,D gains
normalised line endings
Merge branch 'vmatos'

Conflicts:
	dynamixel/__init__.py
	dynamixel/defs.py
	dynamixel/dynamixel_network.py