Lots of Stuff

Adding function for plotting data over time for any parameter at a specific or maximum height and a specific location over specific modelhours.  Corresponding notebooks included.  

Added a notebook containing a group of plots made with plothrrrfromfile over three parameters.  

Fixed some issues in read_Hrrr_spec_loc with the axis the maximum is taken over.  

Made the module importable from the notebooks folder and in general made it easier to import.