Added an interface to GetName() (closes #13).  To make the purpose of the function clearer to users who are not familiar with the HFSS scripting interface, the function is named get_project_name()
Added interfaces to the CloseProject() function named
close_project_byhandle() and close_project_byname() (closes #10) along with examples of their usage.
Added an interface to GetActiveProject() (closes #33), along with an example.