Got remote BLTouch working
Bug fix: when endstops were already triggered, homing moved could hang
Bug fix: external SD card didn't work on Duet Maestro
Bug fix: M950 for heaters and fans didn't strip '-' or '_' from names
Added missing newline to some CAN-related error messages
Reduced the amount of information sent when configuring a remote Z probe
SoftTimer now uses a regular CallbackParameter