Added some math signs.
Added some math signs.

hammera/liblouis,BueVest/liblouis,liblouis/liblouis,hammera/liblouis,BueVest/liblouis,liblouis/liblouis,liblouis/liblouis,liblouis/liblouis,liblouis/liblouis,liblouis/liblouis,hammera/liblouis,BueVest/liblouis,BueVest/liblouis,hammera/liblouis,BueVest/liblouis,BueVest/liblouis,hammera/liblouis,hammera/liblouis