added BernoulliFracPart to .def file b/c it is potentially useful.
added BernoulliFracPart to .def file b/c it is potentially useful.

grzegorzmazur/yacas,tomaszkrysiuk/yacas,MateuszSnamina/yacas,qwert2003/yacas,MateuszSnamina/yacas,qwert2003/yacas,MateuszSnamina/yacas,tomaszkrysiuk/yacas,grzegorzmazur/yacas,MateuszSnamina/yacas,MateuszSnamina/yacas,tomaszkrysiuk/yacas,qwert2003/yacas,grzegorzmazur/yacas,MateuszSnamina/yacas,qwert2003/yacas,grzegorzmazur/yacas,qwert2003/yacas,tomaszkrysiuk/yacas,qwert2003/yacas,MateuszSnamina/yacas,martanoga/yacas,qwert2003/yacas,grzegorzmazur/yacas,martanoga/yacas,martanoga/yacas,tomaszkrysiuk/yacas,martanoga/yacas,martanoga/yacas,tomaszkrysiuk/yacas,grzegorzmazur/yacas,tomaszkrysiuk/yacas,grzegorzmazur/yacas,martanoga/yacas,martanoga/yacas