improved hashing quality of all versions of foundation::mix32() and added 64-bit variants.
improved hashing quality of all versions of foundation::mix32() and added 64-bit variants.

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