added foundation::make_eps(); simplified implementation of foundation::feq().
added foundation::make_eps(); simplified implementation of foundation::feq().

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