iotacooler-smidgen for IOTAcooler v1.1

Changes:

• use carriota field as default node
• remove config file
• add promote command
• check address reuse also on multisig transfers
• detect address reuse also after snapshots
• cutom tag support (--tag)
• iotacooler custom command for multisig address generation
• iotacooler custom command check if an address was already spent
• iotacooler custom commands to recover funds from multisig seeds