add the e_ops dict support to mcsolve
add the e_ops dict support to mcsolve

cgranade/qutip,anubhavvardhan/qutip,zasdfgbnm/qutip,cgranade/qutip,qutip/qutip,qutip/qutip,anubhavvardhan/qutip,zasdfgbnm/qutip