utilities: add utf8charfromcodepoint Add a function returning unicode character from codepoint either in [Uu]+<code> or Hex 0[Xx]<code> format
utilities: add utf8charfromcodepoint
Add a function returning unicode character from codepoint either in [Uu]+<code> or Hex 0[Xx]<code> format

Signed-off-by: Rajeesh K V <c31121d9806209f633e6ae3dedb302d8bd1d4f80@gmail.com>

alerque/sile,neofob/sile,simoncozens/sile,alerque/sile,simoncozens/sile,alerque/sile,simoncozens/sile,simoncozens/sile,neofob/sile,neofob/sile,neofob/sile,alerque/sile