Added G30 as optional position for tool change.
Moved new tool change mode from PR#673 to $346 - Tool change options.
Moved Modbus RTU code from spindle plugin to the core.
Fixed bug in delayed task handler, might occasionally hang the controller.
Added option to homing enable setting ($22) for per axis homing feedrates.
!! Backup and restore settings over an update is recommended since all settings will be reset to default. Any odometer data will also be lost.
Fixes issues for programs containing extended M-codes using single meaning words (which they as a rule should not do).
Added core support for spindle encoder binding to spindles.
Added sorting of spindle report: enabled spindles are sorted first in order of spindle number, disabled by type then spindle id.
Changed realtime report to report spindle number instead of spindle id on changes in the |S: element.
Added 5s timeout/abort handling when waiting for index pulses prior to startiong spindle synchronized motion.
Added definitions for M401 (deploy probe) and M402 (stow probe) for plugin use.
Added support for probe protected message and alarm. Requires driver support for interrupt handled probe input.
