Divyanshu Gupta

I have tried to implement the first method in the list given above in #581. I'd like to know if it is alright.

@ranocha I tried implementing the second method here #584 . Once that is resolved, I will add the new citations.

I am implementing [Hadjimichael, Ketcheson, Lóczi, and Németh (2016)](https://epubs.siam.org/doi/10.1137/15M101717X)

Hii @olgOk . I would suggest taking a look at `QuLDE_tests.jl` to see how `QuLDEProblem` is used. The intput is always of the form ``` # dx/dt = M*x +...

I noticed there is a big issue with the `solve` function that it doesn't run without calling `OrdinaryDiffEq`. I'll open a separate issue for that.