Bump version to 0.2.2

setup.py

@@ -16,7 +16,7 @@
 with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
     long_description = f.read()
 
-version = '0.2.1'
+version = '0.2.2'
 
 setup(
     name='cacofonisk',
@@ -72,8 +72,7 @@
     # your project is installed. For an analysis of "install_requires" vs pip's
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
-    install_requires=['panoramisk>=1.0,<2',
-                      'aiohttp>=0.18.4'],
+    install_requires=['panoramisk>=1.0,<2'],
 
     # List additional groups of dependencies here (e.g. development
     # dependencies). You can install these using the following syntax,