Version 2.1.22

• Improved CSQN tag
• handling of incompatible reference sequence
• option to suspend upon error
• option to output all the reference sequence deleted in deletion

Version 2.1.21

• primitive consequence label support in CSQN tag
• bug fix to interface and batch processing

Version 2.1.20

• 1st release from Github
• fix to downloading path from Dropbox-inaccessible territories.