Changes of version 10.3.1

• Add taller variants of Number Sign (#1222).

Changes of version 10.3.0

• Add Greek letters and symbols:
  • Heta (U+0370, U+0371);
  • Sampi (U+0372, U+0373, U+03E0, U+03E1);
  • Greek Lower Number Sign (U+0375);
  • Pamphylian Digamma (U+0376, U+0377);
  • Capital Kai Symbol (U+03CF);
  • Qoppa (U+03D8, U+03D9, U+03DE, U+03DF);
  • Stigma (U+03DA, U+03DB);
  • San (U+03FA, U+03FB);
  • Rho with Bar Symbol (U+03FC).