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Fixed dep check and add some tools to the drone pipeline

Fixes #16

Fixed versions and gopkp* so the dep check will be ok and add to the pipeline dep check and go fmt check

Fix #15

Fixes #13

Otherwise the command

  arduino-cli core unistall arduino:avr

will fail with:

  arduino:avr@1.6.20 is not installed

if the installed core it's an earlier version than 1.6.20

This function will be usefult for cleanup during uninstall