Merge pull request #127 from python-cmd2/pyscript_expanded_path

pyscript now expands the script path before calling do_py

Author: tleonhardt

cmd2.py

@@ -1611,7 +1611,7 @@ def do_pyscript(self, arg, opts=None):
         sys.argv.extend(arg[1:])
 
         # Run the script
-        self.do_py("run('{}')".format(arg[0]))
+        self.do_py("run('{}')".format(script_path))
 
         # Restore command line arguments to original state
         sys.argv = orig_args