Py bindings improvements.
Py bindings improvements.

dictoon/appleseed,dictoon/appleseed,Biart95/appleseed,aiivashchenko/appleseed,appleseedhq/appleseed,pjessesco/appleseed,aytekaman/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,docwhite/appleseed,appleseedhq/appleseed,gospodnetic/appleseed,est77/appleseed,est77/appleseed,Aakash1312/appleseed,Biart95/appleseed,docwhite/appleseed,est77/appleseed,Vertexwahn/appleseed,Vertexwahn/appleseed,dictoon/appleseed,luisbarrancos/appleseed,aytekaman/appleseed,docwhite/appleseed,aytekaman/appleseed,Vertexwahn/appleseed,glebmish/appleseed,luisbarrancos/appleseed,Aakash1312/appleseed,luisbarrancos/appleseed,glebmish/appleseed,aiivashchenko/appleseed,Aakash1312/appleseed,glebmish/appleseed,gospodnetic/appleseed,appleseedhq/appleseed,dictoon/appleseed,pjessesco/appleseed,Biart95/appleseed,appleseedhq/appleseed,luisbarrancos/appleseed,glebmish/appleseed,docwhite/appleseed,aiivashchenko/appleseed,est77/appleseed,aytekaman/appleseed,aiivashchenko/appleseed,Aakash1312/appleseed,gospodnetic/appleseed,Biart95/appleseed,Aakash1312/appleseed,est77/appleseed,aiivashchenko/appleseed,docwhite/appleseed,Vertexwahn/appleseed,gospodnetic/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,appleseedhq/appleseed,aytekaman/appleseed,glebmish/appleseed,dictoon/appleseed,pjessesco/appleseed,gospodnetic/appleseed,Biart95/appleseed