Release v8.7.0

• (klein0r) Escape all field inputs correctly when using single quotes
• (klein0r) Added sandbox function to subscribe to all enum members
• (klein0r) Added Blockly block to subscribe to all enum members
• (klein0r) Added sandbox functions to start/restart/stop an instance
• (klein0r) Added Blockly block to start/restart/stop an instance
• (klein0r) Added Blockly block to start/stop a script
• (klein0r) Added Blockly result blocks for script messages
• (klein0r) Fixed onLog / onLogUnregister return types
• (foxriver76) fixed issue in importing additional node modules for packages which do not provide a default export (e.g. mathjs)
• (bluefox) Removed withStyles from GUI