delete_cell() started
delete_cell() started

More refactoring is needed for this to finish

bolshoibooze/sympy_gamma,github4ry/sympy_gamma,github4ry/sympy_gamma,kaichogami/sympy_gamma,github4ry/sympy_gamma,iScienceLuvr/sympy_gamma,bolshoibooze/sympy_gamma,kaichogami/sympy_gamma,iScienceLuvr/sympy_gamma,iScienceLuvr/sympy_gamma,debugger22/sympy_gamma,bolshoibooze/sympy_gamma,kaichogami/sympy_gamma,debugger22/sympy_gamma