v3.1.1
- Some fixes and improvements compared to v3.1.
- Snapshot format, zfs-property format and hold-format are now configurable via --...--format options. closes #87 and #68
- renamed --ignore-replicated to --exclude-unchanged. tidied up and removed seperate filter replicated step. fixes. #93, #95, #96
- added some common short options and changes to fix #88
- fix #103