Merge branch 'master' of github.com:nojhan/colout

Author: nojhan

setup.py

@@ -24,7 +24,7 @@
 License :: OSI Approved :: GNU General Public License v3 (GPLv3)
 Operating System :: POSIX
 Operating System :: POSIX :: Linux
-Programming Language :: Python :: 3 :: Only
+Programming Language :: Python :: 3
 Programming Language :: Python :: 3.5
 Programming Language :: Python :: 3.6
 Programming Language :: Python :: 3.7