Update version to 8.0

Author: python273

setup.py

@@ -14,7 +14,7 @@
 
 setup(
     name='vk_api',
-    version='7.4',
+    version='8.0',
     author='Kirill Python',
     author_email='whoami@python273.pw',
     url='https://github.com/python273/vk_api',

vk_api/__init__.py

@@ -9,7 +9,7 @@
 """
 
 __author__ = 'Kirill Python'
-__version__ = '7.4'
+__version__ = '8.0'
 __email__ = 'python273@ya.ru'
 __contact__ = 'https://vk.com/python273'