Update Pyrogram to v0.16.0

Author: delivrance

pyrogram/__init__.py

@@ -16,7 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
 
-__version__ = "0.16.0.dev"
+__version__ = "0.16.0"
 __license__ = "GNU Lesser General Public License v3 or later (LGPLv3+)"
 __copyright__ = "Copyright (C) 2017-2019 Dan <https://github.com/delivrance>"