Update dependencies and copyright year (#2436)

- aiohttp 3.5
- websockets 7
- Rapptz/discord.py@700dbb5
- A few others

Signed-off-by: Toby Harradine <tobyharradine@gmail.com>

setup.cfg

@@ -26,25 +26,23 @@ classifiers =
 packages = find_namespace:
 python_requires = >=3.7
 install_requires =
-    aiohttp-json-rpc==0.11.2
-    aiohttp==3.4.4
+    aiohttp-json-rpc==0.12
+    aiohttp==3.5.4
     appdirs==1.4.3
     async-timeout==3.0.1
     attrs==18.2.0
     chardet==3.0.4
     colorama==0.4.1
-    distro==1.3.0; sys_platform == "linux"
+    distro==1.4.0; sys_platform == "linux"
     fuzzywuzzy==0.17.0
     idna-ssl==1.1.0
     idna==2.8
     multidict==4.5.2
     python-levenshtein-wheels==0.13.1
     pyyaml==3.13
-    raven==6.10.0
-    raven-aiohttp==0.7.0
-    red-lavalink==0.2.0
+    red-lavalink==0.2.1
     schema==0.6.8
-    websockets==6.0
+    websockets==7.0
     yarl==1.3.0
 
 [options.extras_require]
@@ -56,15 +54,15 @@ docs =
     imagesize==1.1.0
     Jinja2==2.10
     MarkupSafe==1.1.0
-    packaging==18.0
-    pyparsing==2.3.0
+    packaging==19.0
+    pyparsing==2.3.1
     Pygments==2.3.1
     pytz==2018.9
     requests==2.21.0
     six==1.12.0
     snowballstemmer==1.2.1
-    sphinx==1.8.3
-    sphinx_rtd_theme==0.4.2
+    sphinx==1.8.4
+    sphinx_rtd_theme==0.4.3
     sphinxcontrib-asyncio==0.2.0
     sphinxcontrib-websupport==1.1.0
     urllib3==1.24.1
@@ -77,11 +75,11 @@ style =
     click==7.0
     toml==0.10.0
 test =
-    atomicwrites==1.2.1
-    more-itertools==5.0.0
+    atomicwrites==1.3.0
+    more-itertools==6.0.0
     pluggy==0.8.1
     py==1.7.0
-    pytest==4.1.0
+    pytest==4.2.0
     pytest-asyncio==0.10.0
     six==1.12.0