sim_schisto_mod: Simulate a schistosomiasis model
In cmhoove14/DDNTD: Density Dependence in Neglected Tropical Diseases

Simulate a schisto deterministic model through time using 'ode' function given the schisto model deSolve function, parameter set, time frame, starting conditions, and potential events (e.g. MDA)

1 2	sim_schisto_mod(nstart, time, model = schisto_base_mod, pars, events_df = NA)

`nstart`	Named vector of starting values for state variables
`time`	Numeric vector of times at which state variables should be estimated
`model`	Name of the ode function to use, defaults to 'schisto_base_mod'
`pars`	Named vector or list of parameter values
`events_df`	Data frame of events such as MDA with columns "var", "time", "value", and "method"