Dipcall-0.3

• Updated minimap2 to v2.20 and winnowmap to v2.03
• Use minimap2 v2.20 by default
• Added option -a to output all contigs

Dipcall-0.2

• Support unimap and winnowmap2. Use unimap by default.

• Expose the Z-drop parameter to the dipcall command line.

Dipcall-0.1

Initial release.