[skip ci] Changed contact email & updated classifiers

setup.py

@@ -14,16 +14,17 @@
     description = 'HST/STIS echelle blaze function correction',
     long_description = long_description,
     author = 'M. Baer, C. Proffitt',
-    author_email = 'help@stsci.edu',
+    author_email = 'https://hsthelp.stsci.edu',
     maintainer = 'Charles Proffitt',
-    maintainer_email = 'help@stsci.edu',
+    maintainer_email = 'https://hsthelp.stsci.edu',
     license = 'BSD-new',
     keywords = ['astronomy'],
     classifiers = ['Programming Language :: Python',
                    'Programming Language :: Python :: 3.6',
                    'Programming Language :: Python :: 3.7',
                    'Programming Language :: Python :: 3.8',
                    'Programming Language :: Python :: 3.9',
+                   'Programming Language :: Python :: 3.10',
                    'Development Status :: 5 - Production/Stable',
                    'Operating System :: OS Independent',
                    'Intended Audience :: Science/Research',