limitswitch,shutter,stepper added
bugfix

PORT name remove "_"
change to df push button to follow the new rule of df push button
move pinmode code from blocks to translator
remove tabs in if block
remove tab in tone-block
remove tab in tone-block
remove tabs in repeat-block
integrate AutoFormat
add switch to manage autoformat
Label / Description improvments

'Tests' replaces 'Conditional Operators' in Draw label
'test' replaces 'condition' in Block labels and descriptions
Add 'commands' label to looping blocks
Disambiguate Repeat Blocks
delay micros/millis Typo and description improved
Tiny Typo to Exception message

Reverse previous Subroutine labels

Wasn't an inprovment

Tiny Typo to Exception message
remove tab before setter variable block
remove tab in SetterVariablePolyBlock