BMesh Python API: add access to vertex crease layer

This simply adds access to the vertex crease layer from Python
code. Documentation was modified to remove "Edge" as it is
shared between edges and vertices, similarly to bevel weights.

Differential Revision: https://developer.blender.org/D14605

source/blender/python/bmesh/bmesh_py_types_customdata.c

@@ -90,7 +90,7 @@ PyDoc_STRVAR(
 PyDoc_STRVAR(bpy_bmlayeraccess_collection__bevel_weight_doc,
              "Bevel weight float in [0 - 1].\n\n:type: :class:`BMLayerCollection`");
 PyDoc_STRVAR(bpy_bmlayeraccess_collection__crease_doc,
-             "Edge crease for subdivision surface - float in [0 - 1].\n\n:type: "
+             "Crease for subdivision surface - float in [0 - 1].\n\n:type: "
              ":class:`BMLayerCollection`");
 PyDoc_STRVAR(
     bpy_bmlayeraccess_collection__uv_doc,
@@ -210,6 +210,11 @@ static PyGetSetDef bpy_bmlayeraccess_vert_getseters[] = {
      (setter)NULL,
      bpy_bmlayeraccess_collection__bevel_weight_doc,
      (void *)CD_BWEIGHT},
+    {"crease",
+     (getter)bpy_bmlayeraccess_collection_get,
+     (setter)NULL,
+     bpy_bmlayeraccess_collection__crease_doc,
+     (void *)CD_CREASE},
     {"skin",
      (getter)bpy_bmlayeraccess_collection_get,
      (setter)NULL,