update setup.py and egg metadata

gallery_dl.egg-info/PKG-INFO

@@ -14,6 +14,10 @@ Classifier: Intended Audience :: End Users/Desktop
 Classifier: License :: OSI Approved :: GNU General Public License v2 (GPLv2)
 Classifier: Operating System :: POSIX
 Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.2
+Classifier: Programming Language :: Python :: 3.3
+Classifier: Programming Language :: Python :: 3.4
 Classifier: Programming Language :: Python :: 3 :: Only
+Classifier: Topic :: Internet :: WWW/HTTP :: Indexing/Search
 Classifier: Topic :: Multimedia
 Classifier: Topic :: Multimedia :: Graphics

gallery_dl.egg-info/SOURCES.txt

@@ -27,6 +27,9 @@ gallery_dl/extractor/gelbooru.py
 gallery_dl/extractor/imagebam.py
 gallery_dl/extractor/imgbox.py
 gallery_dl/extractor/imgchili.py
+gallery_dl/extractor/mangareader.py
+gallery_dl/extractor/nijie.py
 gallery_dl/extractor/pixiv.py
+gallery_dl/extractor/redhawkscans.py
 gallery_dl/extractor/sankaku.py
 gallery_dl/extractor/yandere.py

setup.py

@@ -38,7 +38,11 @@ setup(
         "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
         "Operating System :: POSIX",
         "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.2",
+        "Programming Language :: Python :: 3.3",
+        "Programming Language :: Python :: 3.4",
         "Programming Language :: Python :: 3 :: Only",
+        "Topic :: Internet :: WWW/HTTP :: Indexing/Search",
         "Topic :: Multimedia",
         "Topic :: Multimedia :: Graphics",
     ],