v1.6.0

• M8/M9 can execute shellscripts
• Unstick PNotify messages
• Various bug fixes

v1.5.0

• Converts Grbl error and alarm #s to meaningful descriptions
• Grbl Homing support
• Modify all Grbl ($$) settings via Better Grbl Support settings
• Backup and restore Grbl ($$) settings
• Numerous bug fixes

v1.0.0

Initial Release