Update PyPI classifiers

Author: mdmintz

setup.py

@@ -109,8 +109,12 @@
         "Topic :: Internet",
         "Topic :: Internet :: WWW/HTTP :: Browsers",
         "Topic :: Scientific/Engineering",
+        "Topic :: Scientific/Engineering :: Artificial Intelligence",
+        "Topic :: Scientific/Engineering :: Image Processing",
+        "Topic :: Scientific/Engineering :: Visualization",
         "Topic :: Software Development",
         "Topic :: Software Development :: Quality Assurance",
+        "Topic :: Software Development :: Code Generators",
         "Topic :: Software Development :: Libraries",
         "Topic :: Software Development :: Testing",
         "Topic :: Software Development :: Testing :: Acceptance",