Take the resulting object from a call to optimx and make it into an object that mrds wants to talk to.
     
    
    Usage
    parse.optimx(lt, lnl.last, par.last)
 
    
    Arguments
- lt
- an optimx object 
- lnl.last
- last value of the log likelihood 
- par.last
- last value of the parameters 
 
    
    Value
    lt object that can be used later on