v8.1.3

What's Changed

• Release v8.1.2 by @BillSenior in #232
• GRIDEDIT-1904 API changes, polygon parameter added when connecting meshes by @BillSenior in #233
• GRIDEDIT-1913 Allow access to face circumcentres by @BillSenior in #235
• GRIDEDIT-1901 Add unit test for node mask when computing contacts by @BillSenior in #230
• GRIDEDIT-1921 Added default parameter values to function by @BillSenior in #238
• GRIDEDIT-1923 Added polygon to mesh refinement functions by @BillSenior in #239

Full Changelog: v8.1.2...v8.1.3